Jonas is in London working on discovering the connection between a Russian uranium dealer and his old friend from MI5. On the home front, Kim is confronted by a suicidal caller on her Talk-Show, Bob gets a promotion to Sergeant First Class, and Charles is having an internal struggle about dating his late-friend-and-teammate Hector Williams' ex-girlfriend.The title Side Angle Side, commonly abbreviated in mathematics as SAS, refers to the British Special Air Services, also abbreviated SAS.