In order to cover up the fact that Miss Wen is having an affair with someone else, the ghostwriter Tu Chacha has to write love letters in Miss Wen's name. As time goes by, she unexpectedly falls in love with the correspondent Shen Buyan. In order to stop the master of the Wen family from framing Shen Buyan, Tu Chacha sets up a temporary family to pretend to be the whole family of the Wen family in order to persuade Shen Buyan to quit. Unexpectedly, she falls into the trap designed by the villain Master Wen. The impersonation of their identities puts them in a fatal disaster. Tu Chacha, Shen Buyan and the temporary family work together to perfectly perform a "play within a play", uncovering a shocking conspiracy.