In the world of sun, sea and Brighton beach, three young people on the brink of adulthood navigate the complexities of love, sex and secrecy with disastrous consequences. Lily and Finn meet one drunken night in a club and begin the perfect summer romance - until they meet Lily's younger brother Jamie. As the temperature rises outside, a murky psycho-sexual game commences between the two men, threatening to engulf them all.