A young prostitute's body is retrieved from Vancouver Harbour, and Sunny notes striking similarities to a string of previous deaths. A chance comment to Da Vinci leads him to re-open several cases, causing a further rift with his ex-wife Patricia, who did the original autopsies, and with his boss James Flynn, who ruled the deaths as accidental.

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.

When television news reporter Hope Martin (Lynda Boyd) breaks a story about mercy killing, Detectives Leary and Shannon start digging around for more details, and Da Vinci calls a Coroner's Inquest to force Martin to reveal her source. The issue of euthanasia is divisive and as the investigation proceeds Da Vinci finds himself at odds with the police and his superiors about the reality and the ethics of what happened. His elderly father's recent debilitating stroke further complicates his response. Danny Leary is back in town, but the reunion with his older brother Mick is far from idyllic. It looks like he is hooked on drugs and, unbeknownst to Mick, hanging around with two hoods that turn up dead.

Following a rash of fatal drug overdoses, Da Vinci learns that one of the dead addicts had an infant, who is missing. Manny, a police informer leads Leary, with new partner Angela Kosmo, to the woman's drug dealers. They arrest Todd and Sioux, and through them Larry discovers that the killer heroin came from a French-Canadian supplier who, along with his partner, was murdered, gang-execution style, just days previously.

The Coroner's office investigates the cause of a devastating fire at a seniors' care facility that left most of the residents dead and an elderly man missing. Arson or accident may have caused the fire but while he investigates with Chief Fire Investigator Henry Whiteside, Da Vinci uncovers evidence of abuse at the home. The harsh realities of caring for the elderly are brought into sharp focus by his own mother's increasing inability to care for his father alone. Mick's partner Kosmo and his brother Danny have struck up a friendship that has the potential for a romance. Danny's club looks like it might get off the ground, although his business partners appear to be mob-connected.

When a young woman's dead body is dumped in an underground parking lot with no apparent signs of injury, Da Vinci and the police are intrigued. Patricia's autopsy turns up surprising answers and Da Vinci's investigation draws him into the world of S&M. Someone with a lot of power is trying to manipulate Chief Coroner James Flynn and Da Vinci into keeping the facts and the faces of those involved with Mistress Harriet hidden.

When a street kid turns up dead on the dockside Leary is convinced that the young runaway was tortured to death by other kids and Sunny backs up his theory. The killing reminds Da Vinci of a tragedy in his past in which a police investigation proved fruitless. Determined not to let that happen in this case, Da Vinci pursues a suspect who may help him resolve whether police negligence was involved in the boy's death.

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.

Patricia Da Vinci's career is on a high when she is asked to be a guest speaker at the prestigious Seattle Homicide Conference. Her presentation involves the recent case of the prostitute serial killer Charlie Josephs, who himself was found murdered. Her re-examination of the case leads to the discovery of several discrepancies and uncovers some new clues in Joseph's death, clues that seem to implicate the police. Sioux, who is now a police informant for Kosmo, implicates Danny in the drug trade and Kosmo is forced to examine her feelings for him.

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.

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.

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.

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.

Da Vinci has to untangle the truth of two fatalities that happened during a controversial high-speed police car chase. Shannon and Leary try to solve that the hold up of an armoured car.

Kosmo and Leary discover that when it comes to spousal abuse nothing is simple. Da Vinci steers through a political minefield when a body turns up under suspicious circumstances.

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.

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.

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

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.

When a baby dies from a brain injury, pathology turns up a lot of unanswered questions. Da Vinci is on the case. The police investigate a possible drug-related shooting.

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.

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 ""tilts at windmills"" while investigating a death on the streets of his beloved downtown eastside. Shannon and Leary pursue an enigmatic double murder.

A death in custody is reported, but the prison warden says that no one's died. Da Vinci investigates. Shannon and Leary lead the homicide team in the search for a young boy who disappears after his mother is beaten to death.