Detective Tolbeck is forced to confront the problems in his marriage as the pending raid draws near.

Car 27 stakes out a cockfighting ring. Cullen and Tolbeck are rattled when a hero of the San Diego Police Department falls from grace. Both Marco and his new partner-in-crime, Frankie, have a secret. Fatima falls victim to extortion.

Disgraced and behind bars, former detective Josh Haldeman is interrogated by Agent Kasprowicz. Back at Dispatch, Clint and the BopBots have successfully infiltrated the department and everyone's job may be on the line. On a stakeout, Cullen is stuck with a less than enthused new partner.