Magnum, P.I. (1980)

Thomas' luck takes a tumble when he injures his ankle while training for an upcoming charity sports event, and if his foot doesn't heal in time, his place will be taken for the race. But his luck looks set to fall even more when he finds that prostitute Leslie Emery, who he met when he was working as a hotel detective, has now given up working as a call-girl and has recently taken a job as a waitress at the King Kamehameha Club, and wants to hire him to help her find her missing sister, who is also a hooker. Although she is well-meaning, Leslie's 'act now, think later' ways have proven to cause nothing but problems for Thomas, and sure enough, in next to no time they are up to their necks in chaos, as they uncover that Leslie's missing sister is involved with well-known, powerful political figures...