Cold Squad

Firefighters find a mass grave in the cellar of a home with nine bodies, one of which is directly connected to a cold case. Christine has trouble fitting in when she takes over for Bernice, who didn't leave her any instructions.

The squad re-investigates the murder of a well-known philanthropist at the request of the son who is believed to have murdered him. Nicco helps Mickey when she's suspected of murdering Bailey Gallanson's wife.

A count of the corpses in storage at a police training facility leads to a murder investigation.

The squad helps Moscow police probe a Russian hockey star's death.

A tax-evasion case leads to an investigation of a prostitution ring and murder.

Mickey and Ali investigate a twelve-year old murder that was believed solved thanks to a tip from a junkie named Simon. Coscarella investigates when two dogs trained by the same man attack people on command.

Courts rule evidence in a murder case inadmissible prior to a retrial.

When one of Reid Logan's five wives shows up at the station, she tells Frank and Nicco that she believes the death of Louise Logan, Reid's only legal wife, four months ago was foul play.

Ali investigates the death of Philip Morris, a teen who was believed to have committed suicide by jumping off the Capilano suspension bridge six years earlier. Coscarella worries his son Leo may be gay after Frank sees him embracing another guy.

Police corruption may have played a role in drug-gang activities.

Frank and Nicco are stripped of their badges over the drug probe.

Frank investigates the death of a forgotten war hero. Ali applies to become a Big Sister after questioning her value as a cop.

Two robbery suspects take hostages in the squad room.

The squad tries to break a former officer preparing to leave the country. They're convinced he killed two people while his young daughter, dying of cancer, watched from the back of the car.

Thirteen-year-old Kevin Lane disappeared on June 6, 1979. Years later, his parents discovered that his former baseball coach Harry Walters was really pederast Martin Woodridge, his mother became convinced that Woodridge murdered her son and hid the body.

A cold case turns warm when a mysterious man collapses near a hospital.

A self-help lecturer may have influenced a prison guard to murder a prisoner.

Cold Squad is convinced they have the ammo to bring down killer Dean Bulmer, and Nicco goes so far as to promise the family of one of his victims that it's in the bag.

When Ali's testimony results in the release of a killer (Dean Bulmer), Coscorella takes it too seriously and makes catching Bulmer his sole goal, much to the displeasure of homicide detective Len Harper.