Transfer student Shen Yan came to Linjiang No. 1 Middle School and became roommates with Gu Linchuan, who attended classes during the day and helped his father repair cars at night. A school bus accident involved two teenagers with very different personalities in an old case that had been gathering dust for many years. As the truth emerged, they discovered that their grades, family and future had already been quietly priced by a string of numbers. Some people arranged for them to meet, and some forced them to separate, but the young man's choice should never be calculated by anyone.
