Shadows of Doubt (1) - S3.E10

Former college friends Bob, Tom and Susan meet for a weekend reunion, all three having recently ended long relationships. When Bob and Susan sleep together, Tom's anger betrays his longtime love for Susan, and the reunion begins to disintegrate. Although Bob and Tom get into a fight, the three friends eventually reconcile. Meanwhile, Peter is jealous of Christine's affair with Adam Kirkwood, a wealthy, young, international businessman. Returning after a long mourning period for his late wife, the hotel's venerable chief of security, Art Patterson, believes that his assistant, Billy, is after his job. Patterson plants a bomb in the hotel basement. When George Sandler, a rich man with political aspirations, hosts a fund-raiser, Adam invites Christine and Peter. Trailing them is Mr. Rider, an FBI agent interested in Adam's illegal weapons shipments.