Big bo yau wak (2003)

Grace, a young office worker is tired of being sexually harassed in her workplace. Her boss gives her a vacation as 'compensation' for staying quiet and also suggests future promotions for her acceptance of this arrangement. She goes to the seashore despite having a fear of water brought on by a childhood incident where she nearly drowns. There she is rescued by a lifeguard named Gordon and is instantly infatuated with him. She enrolls in lifeguard training to be closer to him though she herself cannot swim. There she meets up with a cast of beautiful bikini clad students and the sexual hi-jinks begins.