Lin Yu is a young man from a well-off family but living in a "cage". His father only regards him as a tool to inherit the family business and often beats and scolds him. His stepmother looks on coldly. After his mother passed away at an early age, he was even more isolated and bullied. In order to escape all this, his aunt secretly helped him transfer to another school. Gu Han was the complete opposite. His family was poor and his father, a gambler, disappeared to hide from debts. He took his grandmother and sister Gu Yao with him since he was a child. In life, while working part-time jobs to support the family, he relied on self-discipline to become the "double top student" of the school. He ranked first in science and won the championship in sports, but he always caught up on his sleep in class... The two teenagers broke through the "cold winter" in their lives, warmed each other, and walked towards the light together. There is both the sensitivity and throbbing of adolescence, as well as the fireworks and courage of ordinary life...
Purpose: redemption