While investigating a series of apparently random murders at construction sites across Houston, the team become aware of a marked change in Reid's behaviour.
Frank is taken by surprise during an on-air interview; Danny and his new boss clash as they investigate a drive-by shooing.
When an officer's body camera malfunctions during an altercation, Frank is faced with public backlash; Baez and Danny step in when a witness is denied protection by the U.S. Marshals Service; Erin looks into a rape claim made by a friend's daughter.
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.
Jamie stands up for a fellow officer who is being ostracised for testifying against her partner; sports analyst Boomer Esiason makes a difficult request of Frank.