Ghostwriter Tu Cha Cha finds herself reluctantly penning love letters for Miss Wen to hide her romantic escapades. Unintentionally, Tu Cha Cha develops feelings for the letters' recipient, Shen Bu Yan. In a bid to protect Shen Bu Yan from Miss Wen's father's schemes, Tu Cha Cha forms a makeshift family to dissuade him from pursuing Miss Wen.