Da Vinci and Shannon investigate a death that brings them face to face with their own ethics. Meanwhile, Leary takes on a dangerous undercover assignment.

Larry Williams is out on bail. Da Vinci and the police must find evidence that will put him behind bars before his fantasies lead him to kill.

Da Vinci examines the scene of an industrial accident. Meanwhile, Shannon and Rose investigate when a woman dies in an ambulance en route to the hospital.

Da Vinci investigates the death of a man who was crushed by a parking-garage door. Meanwhile, Shannon and Leary search for suspects involved in a suspicious death.

Da Vinci investigates a death among the mutinous crew of a Chinese freighter. Meanwhile, Kosmo and Leary delve deeper into the police beating of a young drug dealer.

While Da Vinci remains at odds with the Mayor and Police Chief he attracts attention from Ottawa. Meanwhile, Leary and Kosmo discover that a murdered drug runner was under police surveillance and Shannon's reaction to a personal loss puts his job in jeopardy.

Da Vinci, Leary and Sunny are in Seattle at a conference, and are shocked to discover similar cases across the Pacific Northwest, that appears to include the death Da Vinci is currently working to solve.

The death of a child always hits hard for those who have to investigate, especially when it looks like suicide. Da Vinci tries to rein in a community on a quest to publicly expose a suspect.

The police catch a man with a sex-trade worker bound and gagged in his truck. Da Vinci questions whether this was a consensual act or the work of a man who has killed before.

Da Vinci investigates the death of a man left to die outside the emergency room. The whole homicide team is called in when an infant is abducted from her nursery.

Da Vinci lobbies for the creation of a safe drug-use site, as well as a red-light district. Meanwhile, Kosmo and Leary look into a possible multiple-homicide case.

A noisy house party ends in tragedy when a fifteen-year-old teenager is found shot dead. Initially it looks like another death in a recent spate of teen suicides in Vancouver. Rumors soon start circulating around her school that she didn't fire the gun. As the teenagers close ranks Da Vinci, Leary, and Kosmo find it difficult to piece together a clear picture of the unpopular girl. The school counselor describes Jodie as an intelligent, hard-working loner, and a talented writer, whose only close friend was her sensitive, highly intense boyfriend Peter Florick. Jodie's brother, who owned the handgun, had previously warned Peter away from his sister and even Peter's classmates think he killed the girl. Troubled by his own ignorance of his teenage daughter Gabriella's friends and feelings, Da Vinci initiates a thorough investigation. The net tightens around Danny when a mobster's girlfriend, Summer, seems to be getting too close to Leon. It becomes suffocatingly tight when Leon confronts the undercover cop who has been tailing him.

Da Vinci desperately searches for the truth behind a death in custody and implications of police corruption. The death of an elderly woman during a suspected home invasion puts rookie Coroner Winston at odds with the Chief Pathologist.

A fishing boat goes down in calm seas and three men with more than a century of experience die. Da Vinci, who is coping with his own grief, must navigate his way through the secrets of a grieving family, a stonewalling corporation and his own sympathies to find the truth.

The excavation for a water main turns up human bones. Kosmo takes up the challenge of piecing together the puzzle of Vancouver's 28 missing prostitutes.

A police shooting is always a complicated, politically charged matter. Da Vinci convenes a Coroner's Court to investigate, and untangle the web of conflicting evidence, some of it presented by his closest colleagues

In this real-time episode, a hit and run in an alley on the downtown Eastside and a shooting at a convenience store put Da Vinci, Shannon and Leary in a high-pressure situation.

When a dead woman is found floating at sea in a small boat, Da Vinci is called in to investigate. Shannon and Leary probe the disappearance of a young pregnant woman.

The Mayor & the new Police Chief stand in the way of Da Vinci and his on-going investigations of a hit-and-run and a police beating. Meanwhile, Kosmo is investigated by Internal Affairs and Shannon & Rose work the case of a mummified baby found in a dumpster.

Da Vinci must get the support of the mayor and police for his red light district proposal. Meanwhile, Sue is secretly interrogated by Internal Affairs and Angela desperately tries to get her.

Da Vinci gathers his political allies hoping to emerge as a front-runner for mayor. Meanwhile, Leary races to arrest Will's murderer before the DEA can slip him across the border, and a body in a burned-out car and an arson fire at Kosmo's house may be ominously connected.

Da Vinci reopens several cases, causing a further rift with his ex-wife.

Da Vinci is convinced a serial murderer has been on the loose for years.

Da Vinci, Leary, and Sunny are in Seattle attending an international Homicide Conference. A presentation by San Francisco-based FBI Special Agent Charlotte Turner turns up similar cases across the Pacific Northwest, and appears to include the death Da Vinci is currently working to solve. Turner comes to Vancouver and Da Vinci finds himself coordinating an investigation that has international implications. As more abductions/murders fit the pattern it seems that a couple, Dean and his wife Mona, are responsible. Joanna, a young woman who was abducted but managed to escape, leads Shannon and Leary back to the farmhouse where she was held and they arrest Dean. Mona, however, has managed to sneak across the border into the States and Da Vinci offers Danny a deal if he can find out where she is. Meanwhile Da Vinci finds himself struggling with the ethics of paying Dean for information about other victims.

Da Vinci is back in the headlines when he calls for Vancouver City to set up a red light district following the death of a high-priced escort, and the continuing mystery of the 28 missing prostitutes who are presumed dead.