“The Neighbor follows Mike (William Fichtner), a middle-aged man in a routine marriage, wrestling with the fact that he feels his life to be passing him by. Yet, when a young couple moves in next door, Mike quickly befriends the young and vulnerable Jenna (Jessica McNamee) – herself trapped in a tumultuous marriage to Scott (Michael Rosenbaum), a car salesman with an immature and pejorative streak. Mike works from home as a copywriter, which allows him plenty of time to pay attention to the beau