After breaking up, Chen Jiawen and Shen Meng find themselves trapped in a repeating day. As they face a series of emotional challenges and confront buried issues, they must work together to break the cycle and move forward.
On the night of May 20th, Chen Jiawen and Shen Meng face off on the silent rooftop. Suddenly, like a butterfly with broken wings. Shen Meng jumps down without warning...
Shen Meng wakes up again in the same loop. Because Chen Jiawen did not jump off the building with her, she is filled with anger and resentment.
Chen Jiawen naively believes that they can pass the level by just holding hands for a day, but Shen Meng repeatedly shakes off Chen Jiawen's hand, causing time to reset again and again.
To prove he's still attractive, Chen Jiawen posts about his single status on social media. Unexpectedly, this attracts some unfavorable friends. He even casually mentions "Princess," a passionate suitor he once avoided...
Chen Jiawen stands before the live stream camera, at a loss and bewildered. And while delivering takeout on an electric scooter, a customer complains against Shen Meng after she accidentally spills the item, which makes her upset and blame herself.
The two complete their missions separately. Just when they let their guard down, a new projection throws out a new mission, and Shen Meng suddenly faints!
Shen Meng is unconscious, and Chen Jiawen seeks help from Zhao Mingxi. After analyzing the situation together, they confirm that to pass this level, he must kiss his ex...
Lin, who is very popular among women, and the domineering CEO appear one after another like a carefully designed temptation trap, trying to break Shen Meng's defense.
Shen Meng's encounter with a young man jogging at night in the park triggers a repeated time loop reset, but she resolutely leaves, avoiding Chen Jiawen's questions. Chen Jiawen's heart sinks, and he can't help but ask Zhao Mingxi for help.
After the clock resets, the two unexpectedly return to their university dormitory, pleasantly surprised to find that the loop has ended.
With her premonitory ability, Shen Meng warns the company of a product crisis, earning the boss' trust and recognition and reaching the pinnacle of her life.
When Chen Jiawen and Shen Meng wake up, they are surprised to find themselves back in their shared apartment four years ago, with time frozen on May 20th once again.
The two return to the apartment to face each other, using the time loop to enjoy every moment spent together and hold a 'wedding' at a bar.
Chen Jiawen and Shen Meng discover that they have disappeared from each other's world. Unwilling to accept this ending, they search for clues at the company and cafe.
