The Joy of Fooling Around(1978)

Pure hearted Marina (Monique Du Prez) rescues a stranger (Kevin Raymond) who has washed up on shore near her father’s fishing hut but can’t remember a thing. A devious hotel owner, Flora (Erica Swanson) tries to pin a robbery and murder on the mystery man with amnesia. Her plan fails but Flora gets to hump just about every man and woman on the Greek Island before the the mystery man recovers his memory and the real criminal is captured.