Bai Yue hires Wang Linlin at a high salary to care for her mother, who is paralyzed and unable to speak after suffering a stroke. Although Wang Linlin appears to be devoted to her duties, she secretly brings her unemployed son into the house, plotting to seize the property and force Bai Yue to marry him. Bai Yue installs surveillance cameras and obtains irrefutable evidence. With the help of a sign language interpreter, she exposes their entire conspiracy. Both villains are sent to prison, allowing Bai Yue to protect her mother and live peacefully with her.