It tells the absurd and heartwarming story of a "silly and sweet" girl Lu Xiaokui who struggles to survive in a family full of villains but unexpectedly becomes the emotional core of the family. Lu Xiaokui lives in an extremely twisted and powerful family. Her father is a ruthless capitalist, her mother is a femme fatale who raises venomous snakes, Lu Yan is a murderous anatomy maniac, and Lu Youyou is the green tea ceiling that controls people's hearts. She is the only one who is kind, clumsy, and even fails to pretend to cry. In her year-end summary, her family named her "the keyword of the year, coward."