Guan Zhinian, the beloved young heiress of the Guan family, is sent to work in an electronics factory by her billionaire brother, Guan Yu, in an attempt to teach her a lesson. The whole internet waits eagerly for the pampered young lady to break down, but instead, she quietly gets to work, assembling screws at lightning speed. It turns out that her brother's fiancée, Sun Weiwei, has been deceiving him and controlling all of Guan Zhinian's money, giving her only a meager few dozen yuan each month and leaving her hungry and suffering through endless hardship. On the factory floor, Guan Zhinian exposes the truth in front of everyone. Watching the surveillance footage, Guan Yu finally realizes how terribly he has mistreated his sister. Filled with remorse, he punishes Sun Weiwei, does everything he can to make amends, sends Guan Zhinian abroad to study, and gradually helps heal the wounds she has carried for years as he protects her while she begins a new life.