A mother who works as a nanny opposes her daughter Wang Lan marrying far away, convinced that Yu Lei is a scumbag who is deceiving her into marriage. Rebellious Wang Lan insists on marrying him. On the eve of the wedding, her mother mysteriously disappears, and a plea for help appears in a mirror. Wang Lan realizes that the Yu family is plotting something sinister. Pretending to go through with the wedding, she secretly records evidence and fights back at the mountain wedding. The Yu family's crimes are exposed, and her mother falls into the water and becomes comatose in a vegetative state. Three years later, scheduled messages clear up the misunderstanding, and Wang Lan finally receives a response from her mother.