Night Moves (1975 film)

Not to be confused with the album Night Moves album

Harry Moseby is a retired professional football player now working as a private investigator in Los Angeles. He discovers that his wife Ellen Susan Clark is having an affair with a crippled man named Marty Heller Harris Yulin.Aging actress Arlene Iverson Janet Ward hires Harry to find her 16year old daughter Delly Grastner Melanie Griffith. Arlenes only source of income is her daughters trustfund, but it requires Delly to be living with her. Arlene gives Harry the name of one of Dellys friends in L.A., a mechanic called Quentin James Woods. Quentin tells Harry that he last saw Delly at a New Mexico film location, where she started flirting with one of Arlenes old flames, stuntman Marv Ellman. Harry realises that the injuries to Quentins face are from fighting the stuntman and sympathises with his bitterness towards Delly. He travels to the film location and talks to Marv and stunt coordinator, Joey Ziegler Edward Binns. Before returning to L.A., Harry is surprised to see Quentin working on Marvs stunt plane. Harry suspects that Delly may be trying to seduce her mothers exlovers and travels to the Florida Keys, where her stepfather Tom Iverson John Crawford lives. ........

Source: Wikipedia