Ghostwriter Tu Chacha finds herself reluctantly penning love letters for Miss Wen to hide her romantic escapades. Unintentionally, Tu Chacha develops feelings for the letters' recipient, Shen Buyan. In a bid to protect Shen Buyan from Miss Wen's father's schemes, Tu Chacha forms a makeshift family to dissuade him from pursuing Miss Wen. However, they soon fall into a trap laid by Miss Wen's father, resulting in severe repercussions for their masquerade. Together, Tu Chacha, Shen Buyan, and their makeshift family navigate a web of deceit, uncovering a shocking conspiracy along the way.