Both Joe E. Brown and Guinn Williams are named Joe Holt; Brown is a shipping clerk and Williams is a champion Canadian swimmer. Socialite Ginger Rogers gets them confused and thinks that Brown is the inventor of an unsinkable swim suit and enters him in a 20 mile (32 km) swim race.
You Said a Mouthful
Shipping clerk Joe Holt is mistaken for a swimming champion and expected to compete in a long-distance swim race off Catalina Island.
