A missing toddler. A despondent taskforce. A case handed over to Homicide when all hope is lost. This is no longer a lost babe they're searching for. This is now a murder investigation. A set of circumstances that seems to insist that we draw certain conclusions. We mustn't do that. We have to remain open to all possibilities.

A couple is viciously attacked in their own home and their young son is the sole witness. Was this an unmotivated home invasion or something more complex?

A young business woman is brutally raped and murdered in her own home. The prime suspect has a rock-solid alibi and will leave the country in 48 hours never to return. Homicide has two days to build a case.

For Homicide it's the beginning of their toughest investigation yet when tonight's murder mystery sparks an emotionally charged investigation when a dogfight between neighbours leads to the discovery of a buried secret.

A 14-year-old maths genius plus a murdered maths tutor equals a complicated crime that has Homicide reaching for the textbooks. Mysterious equations scrawled across the victim's body pose a question that only the killer can answer.

The detectives are taken hostage in their own offices by a desperate father determined to re-open the investigation of a murder for which his son was convicted.

Holed-up in a secret location, Detectives Jennifer Mapplethorpe and Nick Buchanan have been transformed into Trish and Wesley Claybourne, gun-runners for a terrorist organisation.

Natalie Pierce's suicide leads the detectives on a mission to discover the connection between her and 7 house fires in 9 years all resulting in the deaths of children.

The body of bank robber Mick Booth is found in a crypt. He has been dead for a year, so who has been robbing banks acting just like him?

Jim Conway is returning to Australia to face charges for the murder of Suzanne Fendleton he asks Matt to deliver his mother a letter and when they are taking him to the station he throws himself in front of a lorry, killing himself. Matt delivers the letter and receives evidence that just may prove that Jim was innocent.

Sgt. Wolfe's God-daughter is found murdered and a link is found between her and several other missing teens. After speaking to one of them that returned home, they get a lead on the man who may be behind it all. Will they be able to stop him before he murders again?

A sporting reunion of the University Eleven results in tragedy when they end up one man down, leaving Homicide to investigate the crime. But does the murderer have more killings planned?

Everyone becomes a suspect when a baby dies at his first birthday party. Meanwhile, Claire comes back with a problem and only Duncan can help her. But will he risk his career to do it?

The Homicide squad are called in following a man killed by electric kamikaze. The case then takes an even more bizarre turn after the discovery of six urns, all filled with human ashes. Who was the deceased? A victim? Or a killer?

A family is slaughtered during dinner and their mansion ransacked. The sole survivor is the eldest son and heir - could he be a cold-hearted killer? For Simon, finding answers is complicated by the return of an old adversary.

Terry Jarvis does his utmost to get rid of Duncan from the homicide team as the rest of the team try to solve the death of an Iraqi boy apparently killed in a police pursuit.

A well-organized gang rob gold bullion from a warehouse and kill two security guards by sniper-fire. The case pits the homicide team with their hated armed robbery team.

A race against time is ignited when one of Homicide's own takes a hit on a routine call. Meanwhile, Waverley places Jennifer in a sticky ethical dilemma that could make or break her career.

Homicide is called in to investigate two murders where motive, witnesses and straight answers are proving hard to find. The only way to open these cases up is to hit the streets - they just have to knock on the right door.

There's new blood in the State Police's most distinguished department. Meet DSC Allie Kingston. A fast thinking, fast acting, no nonsense cop. But not everyone's impressed.

Derek Hislop. A harmless, lonely guy willing to do anything for the right girl. So why would someone go to the extremes of torturing him to death… with a branding iron? What did he do for love and why did it cost him his life?

A double homicide. A husband shot dead. A wife using her last breath to relay an important clue. As the team work fast for a break, DSS Wolfe comes to realise he isn't entirely impartial. He knows the victims and the accused.

A disgraced jockey ends his life with a bullet. Was the shame of cheating too much, or is this more than a simple suicide? Odds on where there's horseracing and illegal activities, there's Homicide's old foe Max McKenzie. Could this be the team's chance to finally put him away?

Backpackers. Kids who've shed their skin of responsibility and embraced the hedonistic life. Each of them wanting to become someone different, do something different, but does that mean forgetting the value of human life? Did one of these reckless travellers go too far and become a killer?

An old Digger bashed to death. Was it a burglary gone wrong? In a community populated by haves and have-nots, could this pensioner have been the unlucky target of a desperate thief? But who would stoop so low to kill a pensioner just for a few valuables?