The legacy investigates a series of murders of all male victims who are found naked. While it seems to be a sex crime, the team realizes that a creature called a succubus, is assuming their former lover's identities to kill them.

Lat one night a large trunk is delivred to the Legacy house. It is addressed to William Sloane who was meant to be visiting his friends there. when opened the trunk is found to be full of old Scottish artifacts. Not long after the trunk has been opened strange things start happening in the house, the light bulbs keep breaking, high pitched sounds can be heard and unusual lights can be seen flying around. What the Legacy team need to work out is whether or not the trunk has anything to do with this or is it just a coincidence that the trunk arrived just before the problems started?

A ghostly figure arrives at the Legacy house and tells Derek that it has his sister, Ingrid, and will exchange her for The Blood Chalice. The cHalice is an Incan artifact that is said to bestow immortality to whomever uses it to drink the blood of a still beating heart taken from a sacrifice. Derek visits the church where Ingrid is a nun and finds out that the woman who kidnapped her wore a Legacy Prefect ring. When Sloane arrives from London the number of women prefects that the Legacy have is revealed and the main suspect is soon deduced. Can Sloane and Derek find a way to find out where Ingrid is being held before she is killed and without giving away the Chalice?

Lukas Dumont arrives at the Legacy house, he is the son of an old lover of Dereks and claims to be his son. Derek believes him and tries to treat him as he wished his own father had treated him. Nick isn't convinced by the story that Lukas is telling and asks Rachel to help him find out more about Lukas and his mother.

The Legacy team investigate the assassination of a catholic cardinal. Nick thinks it is the work of an old special forces officer who commanded his SEAL platoon. The platoon was wiped out, almost to a man, when Richter betrayed them. Nick goes of in search of Richter by himself, to stop the killings and to get revenge for the deceased members of his squad

Kat is on the job when the team is put in charge of cataloging and disbursing the bequeathed estate of Hanney Ellen Keane and Derek makes a grave error. Taking a few drinks from a cursed Irish Jug causes two ne'er-do-wellers escape from the Jug and possess Derek and Milo. Once the boys realize what year they're in and the fortune the one called Derek possesses they soon decide to stay awhile but before they can enjoy the riches they must get rid of the women. Being the only one that sees the two impostors for what they are Kat must think quickly and convince Alex to help her as Rachel is nowhere to be found.

Driving down a foggy, dark road Nick and Alex nearly run down Derek. They leave their car to find out what is going on only to have Derek pull a gun on them, argue with himself about shooting his friends and then pulls the trigger on himself. With Derek critical in the Rose County Hospital, the head of the London house, William Sloan, turns up to take charge. They continue with the investigation that Derek was involved in, in Rose County itself, trying to find out what is causing the large number of suicides that have been occuring around the town. With Derek in critical condition Alex, Nick and Sloan need to do this quickly, before Derek gets the chance to finish off what he started.

Steven Romero, an old patient of Rachels who was convicted of five murders and sent to Headlands Correctional Medical Facility, a place for the criminally insane, kills two men and escapes. He has always 'loved' Rachel and she is worried that he may be planning to come looking for her. Visiting his cell Rachel and derek discover that he has been studying pagan rituals involving death and ritual sacrifice.

An old friend of Derek and Sloan's dies in Canada. After the funeral they think that more is involved than the authorities think. A fellow professor is snooping around, they find notes written in a language the three of them created many years ago, Derek keeps getting weird flashes and Serena, the friends wife, keeps seeing a strange creature in the triangular pond in the garden. All these things lead to Derek and Sloan staying in Canada longer than they had intended so they can investigate.

Nick witnessed his father's death, but then learns that his father did not die by accident. His father's ghost asks him to help find his murderer and avenge his death. But Nick has trouble solving the case when it comes to light that his father was abusive to him when he was a child.

A woman is being plagued by a poltergeist in her house. She calls in a spiritualist, Jeffrey Star, to help her out, unknown to her he is a fake and a conman. Her son deosn't trust him at all and calls the Legacy and Derek for help. Star is exposed as the fake he is and is thrown in a cell, where he is beaten up by a fellow inmate. After nearly dying in the cell he starts experience images in his head, he starts to believe that he know has real psychic powers. Meanwhile back at the Hoth household Derek and Alex are trying to help out and find out whether or not there really is a spirit in the house and what they can do to remove it if there is.

Sloan is on a jet on his way to San Francisco when they hit bad weather. Derek is on the phone talking to him when he suddenly loses contact and the plane vanishes from the radar. Derek and the team mobilise to find Sloan and the crew, if they survived, somewhere in the middle of a mountain range. Unknown to them one of the items Sloan had with him has released someone orsomething that is now holdong him prisoner.

The Legacy must intervene when a dead woman's spirit returns to earth from Heaven to rescue her lover's soul from Hell, not realizing the danger that he will return with new powers to commit evil.

Nick attends a boyhood friend's military funeral and gets re-acquainted with another. After catching up and returning home Nick is called up a few days later when Joe, the deceased, begins paying John troubling visits. Nick, along with Kristin's help, must find out why his friend is out for revenge against John then its up to Nick to stop Joe before his soul is doomed forever.

A psychic/supernatural occurence debunker and physicist, Dr. David Praeger, is working for the army at an old railway station & tunnel in Powderwash, Colorado. The army is planning on opening a nerve weapon disposal site nearby and he is there to find out what causes the magnetic fluctations in the area. While investigating he starts seeing the 'ghost' of a signalman telling him to 'pull the switch'. Alex finds out where he is after dreaming that he is in danger and, as much as they dislike the man's work the Legacy go to try and save him.

Alex'a sister Tanya turns up in San Francisco to visit her. She is with her friend Daniel, an African healer/shaman. He wants Alex to join them, to help him cure people normal medicine cannot. Her friends in the Legacy don't trust him and think there is more to him and how his powers work than he is letting on.

It's a dark and rainy night and Nick is heading back to the Legacy house when a woman runs out in front of his car. Injured and terrified, screaming about a man who is following her she is in obvious distress. Nick decides to take her back to the house with him. Derek offers her sanctuary in the house for the night and Nick as an escort in the morning. Once she has settled down in her room the four Legacy members debate over whether or not she is telling the truth, imagining things or if it is all an act to get inside the Legacy house and past the security defences.

Point Clifton, a small town just down the coast from San Francisco, is visited by the Legacy team after Derek sees an article in the paper. At a place known locally as 'The Devil's Lighthouse' a young boy vanished and his girlfriend is blinded. The girl insists that, before she was blinded, she saw her boyfriend, Bobby, vansih into the main light of the lighthouse, pulled there by a man!

Derek receives an ancient artifact shattered in pieces. Kristin and Alex take the task to re-assembling the package as Derek receives notice the sender, Samuel Kellig, was killed in an accident. The women discover Samuel's death may not have been an accident as they begin to put the urn back together as well as piece clues to Samuel's last dig. At the same time, Derek grows closer to Samuel's beautifully captivating fiance...a woman whose present character doesn't fit her profile.

After a freed cop killer is killed Derek and the team investigate when it becomes obvious it was a ritualistic murder. More importantly, the murder was done using an artifact stolen from a Legacy collection on display by a former member. Though, Det. Carmack is set against allowing the team to help he has no choice as the Legacy is set on solving the case and retrieving their stolen property. Soon the investigation leads Derek to a truth he had secretly hoped wasn't the truth...

The episode begins with Derek having a dream. He is in a coffin, at first dead, with all the Leagcy members standing over him. He wakes, but no one notices. He is then in an Egyptian tomb, lying on a stone table. A woman cuts open his chest, he wakes up. In his bedroom, he sees a young girl, Kali. She asks his, ""Are you the one"". She attacks him, and tells him to forget what he saw, that this is only a dream. Kali moves over to a picture on Dereks table, a picture of Rachel and Kat, Kali looks at Kat and smiles. (A sinister smile). The next morning at Clairemont School, Kat is beginning school. She gets teased by older girls and runs away. In the bushes, Kali appears and tells Kat that she is her new best friend. Kali attacks the other girls with an invisible force. Rachel is called to the school to collect Kat. She's been suspended because of what happened to the other girls. Kali appears in the school corridors, but Rachel can't see her, only Kat.

Emily, a friend of Rachels', took over administrating Westview Sanitoruium 3 months ago. Since then there has been a number of strange deaths, patients dying of supposed heart failure. To help her friend Rachel agrees to get herself admitted as a patient and investigate from the inside.

It's christmastime at the Legacy house. Derek has invited Rachel and Kat to stay there for the holiday period. After Kat opens a christmas eve present with her name on it she sees the 'ghost' of her father in the room wit her. The present turns out to be a russian doll and inside the smallest one is a very surprising, and potentially dangerous surprise.

Father Callaghan is implicated in the murder of one of his parishioners, he was found by the police with her body in his arms. The body was placed there by the spirit of Eric Ravenwood, a man he refused to absolve of his crimes before he was executed by the state. He wants Philip to absolve him now or he will kill again, and again, and again...... Can Derek and the Legacy team find some way to save Philip from this vengeful spirit and from the attentions of the police.

Dr. Cornell, a reknowned geneticist working at San Francisco University, is scared to death and then literally ripped apartby an unknown energy. The Legacy gets involved when a friend of Nick's who performed the autopsy calls him in. In a connecting incident Derek is investigating why a large number of church bells all rang themselves at 10.06pm the night before.