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.

When a Navy captain is murdered in his hotel room, the NCIS team must find his pregnant companion and protect her from unknown assailants. Meanwhile, Jimmy brings his future father-in-law to work.

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

Ben and Danny go head to head to see who can set Bonnie up with the better date. Meanwhile, Riley and Tucker end up involved in a neighbour's marital problems.

Sydney and Vaughn try to locate a bomb by convincing the maker (Ricky Gervais) that they are part of the Covenant.