Meredith finds out derek cheated on her with marks sister, Camilla who's had a crush on derek for years. When meredith finds out she turns to her person for help. When alex comforts meredith, he realizes he's in love with her and can't tell her. Will alex tell meredith his true feelings? Will meredith forgive derek? Will mark find out about his best friend and sister? Read to find out! Characters include: Lexie Jackson April Arizona Callie Cristina Owen Teddy Mark Bailey Webber