Black teacher Pete Dixon tries to teach the students at Walt Whitman High to be tolerant. He is assisted by girlfriend and school counselor Liz and student teacher (later teacher) Alice. The students love him.
Ranger Porter Ricks is responsible for the animal and human life in Coral Key Park, Florida. Stories center on his 15-year-old son Sandy and 10-year-old Bud and, especially, on their pet dolphin Flipper.