Rising star Zhao Yixin is entangled in rumors due to her boyfriend Liu Jiacheng’s ambiguous relationship with his adopted sister, Liu Chenche. Ridiculed repeatedly, she is even left at the altar when Liu Jiacheng flees their wedding to stop Liu Chenche’s suicide. This time, Zhao Yixin decides to switch grooms on the spot, cutting ties with the toxic pair. She approaches Liu Jiacheng’s rival, Jiang Xubai—a wedding guest—offering a one-year fake marriage contract in exchange for starring in his film. Expecting negotiation, she’s surprised when Jiang Xubai signs without hesitation.