Young marrieds Simon (Jason Bateman) and Robyn (Rebecca Hall) don't quite know what to make of the mystery man (Joel Edgerton) who insinuates his way into their lives after their first "random" encounter. Stranger still are the odd presents they begin to receive. When the shocking truth comes out about their new friend and his unwelcome attentions, it becomes clear that an event from the past can be the nightmare that keeps on giving. Unnerving thriller co-stars Tim Griffin, Busy Philipps. 108 min. Widescreen; Soundtrack: English. Two-disc set.