When Mike and Robbie cross swords over a blonde schoolgirl, the issue widens until the whole family is involved in the argument. But it is difficult for Steve to teach his sons that violence solves nothing with a pugnacious father-in-law around.

Mike and Sally try to discover the truth about marriage from two of their recently wed friends, and think twice about getting married and having babies when they help another friend's expectant wife whose time has come.