He is the best in his field, one of a kind and unique! He is Ace Ventura, a detective specializing in finding lost pets. When mysterious criminals kidnap a dolphin named Snowflake, the mascot of the local football team, the Dolphins, Ace immediately gets to work, displaying remarkable ingenuity.

The story takes a strange turn when the Dolphins' star player is also kidnapped. Now Ace has to search for two mammals at once. He comes face to face with a man-eating shark, saves his favorite team, and charms women. Whether he's undercover, under fire, or underwater, he's sure to find what he's looking for!

The girl Scottie Parker arrives at the university later than the other students, so she doesn't get a place in the student dormitory. Then she rents a room in a large old estate by the sea, in which live hermits: Mason Engels and his mother. Soon someone starts killing students on campus. Scottie begins to suspect the Engels family of committing these crimes. She learns that Mason's crazy sister Virginia, who is kept locked in the basement of the house by the owners, also lives on the estate....