Christmas is rapidly approaching and Barney is facing the harsh reality that he'll be spending the holiday alone. Meanwhile, the detectives bring in a claustrophobic suspect and competing toy executives who got involved in a fight.

When a series of articles are published, insinuating police corruption amongst the various precincts of the NYPD, Lt. Scanlon brings a lie detector to the squad room to root out the dirty detectives. Meanwhile, Barney suspects a fur dealer's robbery report isn't truthful.