It's probably a story about a Chinese-Norwegian half-blooded guy and a sinister and cold-hearted brother. It originated from a landmine laid by an ignorant intimate contact in childhood. More than ten years later, the carefree and cheerful boy had climbed to the top of the food chain, while the other one had lost his original gentleness and friendliness and became irritable and tired of sociability. What kind of story will happen when two teenagers with completely different personalities and experiences meet again?