Splash

Splash is a 1984 movie about a boy who falls in love with the mermaid who saved him from drowning. As a man, Allen Bauer is unsatisfied with his life, never having forgotten his aquatic saviour. On a whim, he decides to return to the place where his boyhood tragedy took place and finds himself once again saved by the woman. Possessing the ability to transform into a human for short periods of time, the soon-to-be-nicknamed Madison joins Allen in his Manhattan apartment where they are eventually hunted by an eccentric scientist.