Holt McCallany

Several murders at Houston construction sites seem to be the act of an angry local. However, an SOS signal suggests the killer may have a military background.

A television interview goes wrong for Frank, while Danny clashes with his new boss over their preferred methods of policing.

A woman is killed by a dose of lidocaine after a secret plastic surgery, Jamie is privately assigned a cold case, Erin decides to try speed dating.

Frank faces a backlash after an officer's body camera malfunctions during an altercation with a civilian.

Jamie faces the wrath of his fellow cops when he supports an ostracised colleague. Meanwhile, Danny and Erin clash over a murder case.

When the old partner of Eames's husband is killed, the investigation sheds new light on her husband's murder.