Keanu Reeves attends the "Knock Knock" premiere in Los Angeles

Cast member Keanu Reeves attends the "Knock Knock" premiere at the TCL Chinese 6 Theatre in the Hollywood section of Los Angeles on October 7, 2015. Storyline: When a devoted husband and father is left home alone for the weekend, two stranded young women unexpectedly knock on his door for help. What starts out as a kind gesture results in a dangerous seduction and a deadly game of cat and mouse. Photo by Jim Ruymen/UPI