Beyond the Sea (film) Golden Globe nomination. Rather than providing a straightforward biography, the film weaves fantasy sequences with scenes containing somewhat fictionalized accounts of events in Darin's life, and throughout it, the adult singer interacts with his younger self. It chronicles his determination to rise from his working class roots as Walden Robert Cassotto, a frail Bronx boy plagued by multiple bouts of rheumatic fever, and become a singer more famous than Frank Sinatra. To achieve that goal, he forms a band and struggles to find gigs at any nightclub that will hire him. His agent gets Darin a recording contract with Atlantic
Beyond the Sea (film) Records, where the singer enjoys teen idol success with "Splish Splash". Not wanting to limit his appeal to rock and roll audiences, he changes his niche to big band singing and records major hits, such as "Mack the Knife." To capitalize on his popularity with teenage and young adult audiences, Darin is cast in "Come September" opposite Sandra Dee. He falls in love with the eighteen-year-old actress and, determined to marry her, he romantically seduces and enchants her with songs like "Beyond the Sea" and "Dream Lover." The two elope, angering her mother. Darin finally realizes his own mother's dream