In FRANK McKLUSKY C.I., Daredevil McKlusky (Randy Quaid) ends up in a coma after another botched stunt. After his son Frank McKlusky (Dave Sheridan) and Frank's mom (Dolly Parton) get scammed in an insurance fraud, young Frank grows up to become a claims inspector, vowing to protect the innocent from scams big and small. When Frank's partner gets knocked off in a suspicious "accident," it's up to Frank to get into disguise and undercover in order to solve the most important case of his career.