On the day Liu Linlin starts her new job, she clashes with the mother and son of the Li family and is left seriously injured after being struck by a falling object. Her father, Liu Ming, frantically blocks the ambulance, only to discover that the victim is his own daughter! Zhang Cuilan rushes anxiously to the hospital but falls when the elevator malfunctions. Outside the operating room, an incompetent older sister, the injured lead surgeon, and an enraged father tear into one another. As a chain of malice tightens around the operating table, how will this family be shattered by the very boomerang they have thrown themselves?