人心难测 Strangers Within (2017)认领

　　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 fo...