When Xiong Wang was thirteen years old, he followed his business parents to a small southern town. The humid plum rainy weather made him, a "big furnace," bored with life. However, his acquaintance with his classmate You Yu unknowingly soothed his mood and put his life on the right track.
As they grow older, the relationship between the two becomes full of twists and turns, leading to confusion.
After years of separation, when he returned to this small town, he unexpectedly fell into a dispute surrounding a small building. He even unexpectedly discovered certain things hidden in his life in the past, and where would his relationship with You Yu go?