Greek (2009)

Freshman Rusty Cartwright arrives at college and decides he no longer wants to be the boring geek from high school. He decides to pledge a fraternity. He is offered 2 bids; one from his sister’s boyfriend Evan’s fraternity and one from Cappie, his sister’s ex-boyfriend’s fraternity. Rusty must learn to handle his new life, and his new relationship with his sister. His sister must decide if she loves Evan who is stable or Cappie who really loves her.