Security systems analyst Ryan Bosley and his wife, Monica, book a vacation rental home by a lake to relax and reconnect for a month. But after the couple gets into an argument at a neighbor’s cookout, Monica finds herself alone in their dark and empty rental house. When Ryan sees Monica again, she’s in a pool of her own blood, dead. The police suspect Ryan, but he believes another guest at the cookout is the killer. Be the detective and help Ryan prove his innocence.