A hedonistic bachelor - he is his rich family's black sheep - falls for a suicidal mental patient.

Time passes and things change. So have Scott and Robinson. Scott has become a college professor and Robinson holds a high enough position with the S.S.A.. Actually, their children are now the agents. It is their first mission and they must babysit some Russian scientists But the loving fathers that they are, they follow them to make sure their babies don't get hurt. What happens next is a mix of action and comedy involving the CIA, the KGB, China, and old friends from the old world