When Xiang Yan, a hopeful young illustrator, and Lin Hengyu, a commitment-averse dentist, become unexpected roommates, their contrasting views on love slowly shift. Through shared struggles and growing affection, they discover what true partnership means.
The opening of the new tunnel, which took ten years to build, coincided with a series of serious cataclysms. The lives of 160,000 people depend on the actions of two people, a father and a son.