In order to observe the mysterious celestial bodies that were not "captured" a few years ago, astronomical observers called lunatics (Chen Chutong) stopped at the foot of the deserted Gobi Mountain and set up a temporary observation station to wait for the celestial bodies to rotate to a special angle. "Capture".

When Liang Xia's obsession for a perfect wedding puts a strain in the relationship with her fiancé, he ultimately calls it quits and breaks up with her. In a heartbroken state, Liang Xia carelessly ingests a magical item, which transports the 28-year-old’s mind back to when she was only seventeen years old.