Da Vinci has fallen off the wagon in a big way with a drunken evening at the police bar, which he can't remember. A homeless man is critically injured in a hit-and-run accident in the alley behind the bar on the same night, and Da Vinci comes under suspicion. All the enemies he's made over his career come out of the woodwork, anxious to see him implicated in the crime. Da Vinci's current investigation involves the discovery of a buried skeleton found beneath the Burrard Street Bridge. As Da Vinci struggles to piece together what happened to the homeless man, he stumbles on surprising insights into the Burrard Bridge death.

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.

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.

Working with Shannon and Leary, Da Vinci investigates an apparent suicide in the woods of an ex-convict released on day parole. Patricia starts her new job as a professor at the university. Sunny finds some artifacts of interest in historic Chinatown. Detective Kosmo tries a new approach to an old unsolved case.

Da Vinci has to track down a body that is stolen conspicuously from the death scene. Shannon and Leary investigate an elderly woman found dead in the washroom of Vancouver's most notorious park.

An eight year old's mysterious death leaves Da Vinci demanding answers. Shannon and Leary look into the double shooting of a stripper and a bouncer.

A detained Chinese boat migrant dies while on a hunger strike. Da Vinci investigates. Shannon and Leary's prime suspect is a possible stalker as they continue their investigation of a double homicide.

An officer is shot dead and Detective Leary is in the hot seat. Da Vinci and Kurtz investigate the circumstances surrounding the police shooting.

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.

Da Vinci's morning is swamped when a young man is found in a rail yard boxcar and a body washes up under the Burrard Street Bridge. While performing an autopsy with her students, Patricia uncovers some new evidence that may help Detective Kosmo.

Traffic Inspector Zack Mc Nab calls in Da Vinci to investigate a suspicious highway accident that's missing a driver. Shannon and Leary look into the murder of an elderly lady in a west end penthouse. Kosmo runs into a dead end with her prime suspect in the case of the missing prostitutes.

A fire in a basement claims two lives and Da Vinci is there to investigate. Shannon and Leary are called to the dig site in Chinatown when Sunny makes a new discovery. An abandoned eastside house may provide the answer to Kosmo's questions.

Gina asks Da Vinci to look into the hospital death of an infant. Danny Leary joins the undercover operation to get close with the wife of Kosmo's prime suspect.

At Vancouver's most notorious street corner, Da Vinci tries to track down the next of kin of a recent suicide, but is called to investigate the bizarre falling death of a schizophrenic man.

Da Vinci looks into the suicide of an eleven year-old boy in an amusement park. Undercover detective Danny Leary pushes for a confession as time is running out on Kosmo's missing women operation.

Zack calls in Da Vinci when a body is found in the trunk of a car at the scene of an accident. Shannon and Leary investigate the death of a man found in the Stanley Park Zoo's deserted bear pit.

Da Vinci investigates a deadly house fire, while Leary and Shannon try to solve a case involving a missing person.

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 cemetery with remains buried together, and declares it a crime scene. Meanwhile, a man claims that ahomeless man killed his wife, and another man is injured in a suspicious house fire.

Da Vinci becomes suspicious of a man who survived two house fires. Meanwhile, Shannon and Leary investigate a double murder.

Kosmo investigates the fatal shooting of a drug dealer. Meanwhile, Da Vinci has difficulty with his house-fire investigation, and Leary and Shannon search for suspects in a gas-station robbery.

Leary and Shannon investigate whether a hermit killed his wife. Meanwhile, Da Vinci looks into the death of a man who appears to have fallen out of the sky.

Da Vinci uncovers some disturbing information about one of the commingled bodies. Meanwhile, Kosmo finds more evidence that a cop may be involved in a drug dealer's death and Rose continues to help Shannon and Leary in their search for a killer.

After a drinking binge, Leary scrambles to piece together the events of the previous night, leaving Shannon and Rose to have to work together. Meanwhile, Da Vinci thinks he knows who's responsible for commingling the bodies at the cemetery.

A fatal crash is linked to Rose and Shannon's robbery-homicide case. Meanwhile, unreliable witnesses plague Da Vinci's investigation into the commingled bodies.