Will Hochman

After getting a match from an unknown relative from a DNA network, Sean Reagan does some detective work to figure out who this mystery person might be. Frank gets a personal request from a woman to transfer her son to a safer assignment.

Danny and Jamie combine forces to convict a notorious drug lord; Erin nervously awaits the governor's selection for the new district attorney; Frank and his grandson face a difficult decision as they navigate their new and complicated family ties.

Jamie and Joe search for an undocumented teenage girl who has been sex-trafficked; a woman in witness protection is murdered; Frank calls out the district attorney's office for instituting a new rule that classifies armed robbery as a misdemeanour.

Danny and Baez join forces with Danny's old partner when a serial killer reappears; Eddie faces backlash when she tries to help a woman who accuses a sergeant of rape; Jamie clashes with his nephew.

Frank battles with City Council Speaker Regina Thomas over protests against police brutality; Jamie and his nephew, Joe Hill, try to locate a missing Danny and Baez; Eddie helps an abrasive woman find her father's body.

Erin's nephew, police officer Joe Hill, becomes aware of witness tampering in a trial; Baez forces Danny to help her find the killer of her favourite TV personality; Eddie questions her decision to become a police sergeant.