In a small city park where strict vigilance is maintained against flirting. Mabel, a young and pretty wife with a bore of a husband innocently amuses herself with the harmless attentions of Fatty. Fatty relishes the situation all the more because this is one of those rare occasions, when he has succeeded in escaping from the jailer-like watchfulness of his wife. Meanwhile, Fatty's wife and Mabel's husband are carrying on a similar game. They are discovered by the police and a sensational arrest ensues. Both couples appear in court, where numerous complications make a reel full of fun.