Y/n Uley was Sam's younger sister. Sam was very protective of his baby sister even when he became a shapeshifter. And then Y/n phased and Sam helped her out of being a shapeshifter. But everything went down hill when Leah Clearwater phased and both Leah and Y/n imprinted on each other. Y/n was happy She found her imprint but Leah didn't want her as her imprint because 1. She was a girl and 2. Was because she was Sam's sister and she hates Sam so she rejected Y/n making her heartbroken. Sam hated Y/n for imprinting on his ex that he attacked her and almost killing her if it wasn't for Jake and Paul who were their to save her. Both Sam and Y/n dad came back when he got a call from the hospital and knew Sam hurt his little princess and took her away from LA Push for good.