In order to help her best friend out of trouble, Lin Xingwan, a talented girl from the Chinese Department, accidentally bumped into Jiang Chen, the iceberg student in the Mathematics Department, and was temporarily used as a "shield" to deal with family marriage. The two signed a "Campus Couple Cooperation Agreement", agreeing not to interfere with each other and disband upon expiration. However, when a well-designed "accidental encounter" hides the silent attention of a mathematical genius for several months, when the terms of the contract are filled with the details of the other person's life - this love that began with calculation has already found a unique solution beyond the formula.
