David S. Lee

An annoying floater takes a romantic interest in Violet. Ritter catches a local politician in a compromising position. Mouch and Severide help Trudy with an arson investigation.

Kate and Jack are at odds; Locke solidifies his position as leader of the Others; Juliet and Sawyer are scrutinized.

When a Navy captain is killed, the team must find and protect his pregnant companion; Jimmy brings his fiancee's father to work.

Daniel Ryan a freelance bomb maker whose bombs are impossible to defuse destroys a bank in Belfast as a calling card to The Covenant. If he fails to cut a deal with The Covenant in 48 hours he'll give notice to other terrorist groups with a bombing in the U.S.

After Anna Kolcheck escapes from prison with her cellmate, Callen and the NCIS team assist with the investigation and try to locate her.

A K-9 is blamed for his partner's death, but the team uncovers more details about the case; a high-profile divorce attorney with a lot of enemies is murdered.