Kate's husband Richard hasn't seen his cousin Harry for 20 years. So when he comes to stay with his fiancee Connie they are welcomed. But Kate senses her family is at risk when they start behaving suspiciously. Mel Harris, David Keith, William Katt, Mary Crosby, Brian Bonsall, Marg Helgenberger, Cyndi Pass Added on Amazon Prime 2021-05-05. Youtube Trailer