Sam is the envy of her friends: enjoying the riches and comfort of her parents' estate, sheltered from the troubles of "the real world." What Sam doesn't have, however, is her parents' time. Her dad operates a high-flying financial business and his wife is a world-renowned painter. Left alone for yet another weekend, Sam invites her girlfriends - Heidi, Alex and Ella - round for a sleepover that escalates into a full blown party as Heidi invites her boyfriend, Toby, and his gang to join them. As...