Sandy Ricks is sent by his mom to Coral Key, a rustic island in the Florida keys, to spend the summer with his uncle Porter Ricks. Sandy dislikes everything about his new environment until a new friend comes into his life, a dolphin named Flipper, that brings uncle and nephew together and leads Sandy on the summer adventure of a lifetime.
Unconventional Olive Barton shocks her aunt when she stages a boxing match during a tea for the new minister. When Olive's father is called West to attend to some mining interests, Olive sneaks into his private car and accompanies him. Arriving in the West, they meet Leonard Hewitt, a young mining engineer, and his partner "Highball" Hazelitt. Even though Olive mistakes them for bandits, she falls in love with Leonard. Olive turns the saloon into a successful gymnasium, manages to foil a conspiracy against her father's mine, and wins the love of Leonard.
