The new situation complicates their latest case - trying to follow and capture a double agent that is trying to bring down Operation Quickline, the ultra-secret espionage agency that Sid and Lisa work for. Then Sid gets kidnapped and rescued. George starts to resent Lisa not telling him everything that's going on in her life. Lisa is ready to give up on men altogether, only to find that Sid has another bombshell to drop on her. Confused and frustrated, Lisa has to keep her head together long enough to work the case - which soon blows up into the worst of all possible nightmares.