Just Jim (2015)

Life sucks for Jim. His best friend Michael is now hanging with the cool kids and Jim's only companion is his dog. He's stuck in a small town where nothing ever exciting happens, until... Dean, a mysterious American moves in to the house next door. Dean is older, good looking and in Jim's eyes the coolest guy he's ever met. Jim can't believe his luck. Dean offers him friendship, helps him win the girl of his dreams and he soon becomes the most popular boy in school. But when it turns out Dean is hiding a dark secret, Jim is forced to question if his newfound popularity is really worth it.