An Jin and Chang Zichi, a high school classmate, Chang Zichi likes An Jin. So Chang Zichi started a series of sexy operations. After graduating from high school, An Jin went to college and Chang Zichi became a soldier. They met half a year later and the two were together.
Two years later, Chang Zichi was discharged from the army and returned to school, and the two began a shameless love life. The two made an agreement that Chang Zichi would fold a paper crane every day, and An Jin would marry him after folding 1,314 paper cranes.
Another year later, an accident happened while Chang Zichi was working part-time. Chang Zichi left An Jin in an accident to save others.
And An Jin folded paper cranes for Chang Zichi every day, and drew smiling faces on the notebook as always. After stacking 1,314 paper cranes, it was almost Chang Zichi's memorial day. An Jin hugged the paper cranes and took the bear that Chang Zichi gave her to the cemetery.
After coming back and passing the intersection, the sound of rapid braking silenced the whole world.
One year after Chang Zichi left, An Jin also left...
Concept: Romantic love is not always smooth sailing