Peter Sellers stars as Harold Fine, a self-described square--a 35-year-old Los Angeles Lawyer who is not looking forward to middle age and his upcoming wedding. His life changes, however, when he falls in love with Nancy, a free-spirited, innocent, and beautiful young hippie. After Harold and his family enjoy some of her "groovy" brownies, he decides to "drop out" with her and become a hippie too. But can he return to his old life when he discovers that the hippie lifestyle is just a little too independent and irresponsible for his tastes?

Two young kids fall in love with each other. But the passion is too consuming for the parents of Jade. The parents try to stop them from seeing each other. But when this doesn't work David burns down the house and is sent away. This doesn't stop him from seeing her. When he gets out he goes to look for her. But in the end the passion for his first love is too strong and she has to leave or this love will kill both of them.

Old Nat Moyer is a talker, a philosopher, and a troublemaker with a fanciful imagination. His companion is Midge Carter...