I Didn't Do It (2014)

The Watson family, Jasmine, Garrett and Delia go to spend the weekend at a snowboarding chalet. Upon arriving, Lindy takes Garrett to a snowboarding class. She develops a crush on his instructor and pretends to be a beginner so he would work with her. After he starts paying attention to Garrett, she gets jealous and pretends to have hurt her foot, so his attention would shift back to her.