Young family, ideal life, ideal relationships. Sam is the ideal man and husband. Merry is a wonderful mother and housewife. And eight-month-old baby Conor, an angel. Now they live in Sweden, in a house with a flowering garden... Merry invites her childhood friend named Frank to stay with them for some time. Gradually Sam begins to show increased attention to her, and this frightens the young wife. But Frank notices something strange in Merry’s attitude towards her son... With each new day spent in the family, Frank becomes convinced that everything she sees is an illusion, masks behind which hide real faces: cruel, despotic and nightmarish. But sometimes it’s better not to know other people’s secrets...