Lin Qinghan's fiancé, Shen Yan, and their two childhood friends devise jealousy penalty tickets to cure her supposed habit of being jealous. Her best friend, Su Wan, uses girlfriend experience coupons to continuously invade Qinghan's romantic space, even taking up Shen Yan's time on the day of her mother's surgery. In the end, Su Wan even uses the coupons to experience the entire wedding ceremony. Completely heartbroken, Qinghan cancels the wedding, breaks off the engagement, and walks away. Later, she presents all the evidence to prove her innocence, refuses Shen Yan's remorseful attempts to win her back, and begins a new life of her own.