Three siblings inherit a mansion in a suburban town from a distant great-aunt. There, they are welcomed by the housekeeper, a sinister woman who sets in motion a strange plan that will force the siblings to resolve their differences.

Jimmy celebrates his 45th birthday at the beach house, inviting his close circle of friends to a weekend full of fun,excess, and concessions. Everything is interrupted by Jimmy's confession of wanting to end his life before the party is over.

Santiago returns to Argentina with his wife Ana and they organize a dinner party with friends. Moments before everyone arrives, Ana confesses to Santiago that Lucía, her best friend, will be attending with her new boyfriend. Santiago is shocked to discover that it's someone with whom he shares a dark past.