In the early spring of 2021, a man (played by Huang Bo) and a woman (played by Ni Ni) flew to Hong Kong at the same time, and while waiting to enter the mainland, they stayed in the same hotel, separated by a wall. During the short intersection of their lives, the two confided in each other the pressure they were burdened with, and found a spiritual harbor in Hong Kong, where tenacious vitality was blooming. And before the answer is revealed, the choice stops abruptly.