SPOILER ALERT: the following article contains massive spoilers, including the ending. If you have not yet seen the movie, proceed at your own risk, or better, come back to this article later!
SPOILERS AHEAD
Let the Wrong One In Plot Summary and Synopsis
Let the Wrong One In follows young supermarket worker Matt, who is a little too nice for his own good. When he discovers that his older, estranged brother Deco has turned into a vampire, he’s faced with a dilemma: Will he risk his own life to help his sibling, with blood being thicker than water? Or will he stake him before he spreads the infection further?
Source: Wikipedia (CC BY-SA 3.0).