The LAPD finally gets Bugsy Siegel behind bars, but what initially appears as a shining moment for the department soon takes a turn for the worse. Having heard that Siegel has been arrested, mobster Jack Dragna takes the opportunity to make his move. Meanwhile, Jasmine is shaken after receiving a frightening threat at her apartment. And Joe receives an unexpected visit from Sid.

Joe puts his own life in jeopardy when he makes a bold move. Despite hardships, Captain Parker is more determined than ever to clean up the corruption within the LAPD and announces plans to target the source internally. Meanwhile Meyer comes to Bugsy with unwelcome news.