Peephole (2018)

John's idyllic family is being disrupted by his wife, Linda, loosing her job and craving his attention all the time by making him jealous and distracting from work. It gets to the point where he dismisses anything she says; especially, when she claims their close friend, Chris, is stalking her. John's world turns upside down, when Linda is being attacked at a parking lot by Chris. In a crime of passion John stabs Chris, seeking revenge for his wife and forgiveness of Linda. When he comes to the hospital to check up on her, he finds out that was not the whole story.