Ruan Xin, a maid, was forced into trouble by her family. She accidentally met Bo Yi, the ninth master of the Bo family, and got help from him. After that, she continued to work in the Bo family manor and encountered many interpersonal problems in her daily life. Bo Yi had a crush on Ruan Xin and kept approaching her. Ruan Xin was full of worries and always kept her distance. In the process of getting along with one person and the male protagonist, many stories full of tension happened, and the cat Mianmian also became a special little bond between the two.