Uncle Claude goes on vacation with his granddaughters and meets and dislikes boisterous Letty. When he finds nephew Tommy, he mistakes Grace for his wife, unaware that he is married to Letty. To get a check from Uncle Claude, the two couples switch spouses.

Letty Robbins
Uncle Claude Davis
Harry Miller
Grace Miller
Tommy Robbins
Ruth Davis
Sally Davis
Clarence de Brie
Joe Casey
Judge
Police Sergeant