She bids her farewell to her colleagues of the last seven years, including Hunt and dances it out with Meredith one last time to an old favorite song.
Callie, an aspiring chef, with her childhood friend David, enters Callie into a club's annual Christmas ice sculpting competition against her boss.
Meanwhile, a stunning betrayal pits Cristina against Meredith and, as April prepares for her big day, a familiar face returns to town.
Callie's passions for cooking and ice sculpting are met with romance and Christmas spirit.
Two years after her husband dies in a sudden accident, Annie and her two children are left to cope with the loss.
April Kepner (Sarah Drew) and Jackson Avery (Jesse Williams) elope during Kepner and paramedic Matthew's (Justin Bruening) wedding.
Yang takes off to Switzerland for a job offer to take over Preston Burke's (Isaiah Washington) hospital because he wants to step down and move his family.
Miranda Bailey (Chandra Wilson) was on a project mapping out the human genome.