As a new resident at the bustling metropolitan hospital, Mi Ka's life is far from boring. With a steady stream of patients to see and a variety of training exercises to complete, Mi Ka has little time for anything other than work, but she doesn't mind. The chance to help people and save lives is all she has ever wanted and she's happy she has finally found a way to make that dream come true. Ever one to volunteer when a new opportunity to help others arises, Mi Ka joins in a joint emergency rescue training exercise between the hospital and the police SWAT team, a decision that will change her life forever.