After setting things right in a case that took them all the way to the Louisiana bayou, P.I. Bernie LIttle and his faithful canine companion Chet decide to take the long way home and pay a visit to Bernie's girlfriend, Suzie Sanchez, an up-and-coming journalist now living in Washington D.C. Suzie is working on a big story she can't talk about, and when her source, a mysterious Brit with possible intelligence connections, runs into trouble of the worst kind, Bernie suddenly finds himself under arrest. Soon Chet, Bernie and Suzie are pulled into a shadowy international conspiracy.

Chet and his owner, P.I. Bernie, journey to Washington, DC-- and the dog-eat-dog world of our nation's capital. They plan to pay a visit to Bernie's girlfriend, Suzie Sanchez, who's working on a big story she can't talk about. When her source, a mysterious Brit with possible intelligence connections, runs into trouble of the worst kind, Bernie suddenly finds himself under arrest. Soon Chet and Bernie are sucked into an international conspiracy... and facing a guinea pig with the fate of the nation in his tiny paws.