Which One You Choose: Li Chih-cheng, a C-list Taiwanese actor, is hand-picked by a renowned Chinese director to star in a project during the pandemic. On his last day of self-isolation in Shanghai, he discovers he has a fever. Worse still, he must make a decision between his wife in Taiwan and mistress in China over video call. But as it turns out, everyone has a hidden identity and secret. In order to make it through, Chih-cheng must deliver the performance of a lifetime.