Travis Montgomery has a little sister, Y/N. She's been in foster care ever since she can remember; her parents never wanted her and however much they tried, Travis and Michael couldn't get custody because their jobs were too dangerous. Y/N and Travis haven't spoken or seen eachother in over 3 years now. Her previous foster parents had told everyone that she was dead. How will Travis react when reunited with his beloved sister? How will he react to her life-changing diagnosis? DISCLAIMER: All credit for majority of the characters and some of the plot, goes to Shonda Rhimes and Krista Vernoff. Hope u enjoy 💕