Cold Squad

The squad investigates the murder of an abortion doctor, which has painful memories for Ali.

Detective Savalis becomes personally involved in a case after a drug user asks the squad to find out who killed her mom.

Ali presses to open a cold file when a convicted murderer makes a dying confession to one less victim than he was sent to prison for. Nicco and Mickey look into a pair of homicide victims at a reform school.

The Ambelton case continues. Half the team investigates a murder inside a prison from three months before.

The detectives try to narrow the field in the search for the murderer of three students, while Ali tries to figure out her personal and professional life.

Ali investigates a murder in a remote town while the rest of the squad continue to look into the Ambleton School.

Mickey has to partner up with an old boyfriend to solve a double murder -- a mother who was pregnant.

Ali investigates the death of a woman involved in the art scene who died of a drug overdose. Tensions mount when Christine embarrasses Mickey in front of the criminology class Mickey is teaching.

Testifying in a murder trial, Mickey gets burned by the defense attorney. Nicco tries to conceal the circumstances of his uncle's death.

Len has a suspect delivered to him at an abandoned shelter in the forest in order to coerce a confession out of him. Ali and Mickey question a former teacher at Ambleton about the murder of two children there.

Mickey tries to convince Harper and Pawlachuk that a pile of old letters holds the key to a teen-aged girl's murder. Ali teams up with a Russian cop to connect stolen Russian historical documents to a murder.

Nicco risks his police career trying to save Billie from her pimp and from her addiction. Mickey and Ali wrap up the Ambleton case . . . or so they think.

Ali and the squad attempt to tie the Premier to the murders of Michelle Ripley and Billy Wells, two teenagers at Ambleton.