The story of the male protagonist Ling Kaixuan and the female protagonist Lan Yuxuan. The male protagonist is a property maintenance worker in a community and his life is quite miserable. The female protagonist is the owner of the community where the male protagonist works. Suddenly one day when the male protagonist is repairing on the roof, he is electrocuted and gets a system that can repair everything. The system rewards the male protagonist for signing in every day.
