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.

Da Vinci is challenged by the father of a young woman killed in a fire. When a squeegee kid is killed, Shannon and Leary don't have much to go on except the observations of an unreliable witness.

Da Vinci and Kosmo unravel the relationship between a young boxer and his mother's abusive boyfriend. Shannon and Leary pursue another cabbie murder. Patricia and Bobby Marlowe teach a group of medical students the nuances of crime scene investigation.

Da Vinci prepares for an inquest into a propane truck accident. Will a reluctant witness stop him from finding out what really happened? A skeleton is discovered in the Grandview Cut, Kosmo and Leary go undercover to investigate.

A decomposed body in the back of a stolen truck puts Shannon and Leary on the trail of a bounty hunter. A young man dies working for his father's contruction company: Da Vinci investigates. Kosmo helps a woman who thinks her husband is an imposter.

When the body of a woman is discovered in a trunk shipped across the border, Da Vinci is called in to investigate. Shannon and Leary pursue the killer of a pool hustler burned to death in a car fire.

Da Vinci leads the search for the body of a boy who fell into a river. Is there something more to the death than just a tragic accident? Kosmo investigates a man whose wife has disappeared. A doctor is shot on his way to a clinic. Shannon and Leary chase down his killer.

A jockey is found dead in a stall at the race track. Da Vinci investigates. A former member of the Guatemalan secret police claims to be dying after being attacked at a bus stop. Pursuing the attacker, Leary confronts the harsh truth about the victim's past.

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.

After a downtown Eastside activist is found dead, Da Vinci is approached by a witness who last saw the victim getting into a police cruiser. A woman is found dead in a dumpster with no signs of what killed her. Kosmo and Winston investigate.

Patricia, Sunny and Da Vinci give conflicting testimony in a murder trial. Da Vinci, Shannon, and Leary investigate the shooting death of a cancer patient.