Ten years ago, a tragedy changed the town of Harmony forever. Tom Hanniger, an inexperienced coal miner, caused an accident in the tunnels that trapped and killed five men and sent the only survivor, Harry Warden, into a permanent coma. But Harry Warden wanted revenge. Exactly one year later, on Valentine’s Day, he woke up…and brutally murdered twenty-two people with a pickaxe before being killed. Ten years later, Tom Hanniger returns to Harmony on Valentine’s Day, still haunted by the deaths he caused.
Peter Klaven is a successful real estate agent who, upon getting engaged to the woman of his dreams, Zooey, discovers, to his dismay and chagrin, that he has no male friend close enough to serve as his Best Man. Peter immediately sets out to rectify the situation, embarking on a series of bizarre and awkward 'man-dates,' before meeting Sydney Fife, a charming, opinionated man with whom he instantly bonds.