Belle Montgomery is the daughter of addison Montgomery and is also a surgical resident at Seattle grace hospital. Bella is one of the best in her class. When the merger of Mercy west hospital happens. It brings a load of new surgeons along including Jackson Avery. Belle doesn't have the best first impression of Jackson. She thinks he is cocky and full of himself. She doesn't trust him. Before long, belle and Jackson are becoming friends much to the horror of the Seattle grace and mercy west surgeons. Belle and Jackson soon get closer than they should as they start to sleep together.