Clambake

Clambake is a 1967 American musical film directed by Arthur H. Nadel and starring Elvis Presley, Shelley Fabares, and Bill Bixby. Written for the screen by Arthur Browne Jr., the film is about the heir to an oil fortune who trades places with a waterski instructor at a Florida hotel to see if girls will like him for himself, rather than his fathers money. Clambake was the last of Presleys four films for United Artists. The movie reached No.on the national weekly box office charts.

Shortly after, hotel guest Dianne Carter Fabares insists on taking a lesson minutes after Scott checks in with his new employer. However, once they are out on the water, Dianne proves herself to be an expert skier, performing fancy maneuvers to gain the attention of wealthy young playboy James J. Jamison IIIBixby. Later, Dianne confesses to Scott that she is a gold digger, assuming that he is one too. Scott agrees to help Dianne land Jamison, but ends up falling for her himself.Scott persuades boat builder Sam Burton Merrill to allow him to rebuild the Rawhide, a damaged highperformance boat, and drive it in the annual Orange Bowl Race, which Jamison has won the last three years. Scott sends for some goop, an experimental coating his father spent a lot of money trying and failing to perfect. Between his day job and moonlighting as a chemist, Scott is run ragged, but he manages to hopefully fix goops major flaw losing its strength in water. With no time for testing before the race, he applies it to the boats hull and prays it will hold the Rawhide together. Duster learns where his son is and comes to see what he is doing. To Scotts surprise, his father is enormously proud of what he has accomplished. ........

Source: Wikipedia