Su Suwei, who was frustrated in the college entrance examination, came to Changbai Mountain alone. She originally wanted to end her life. Unexpectedly, she met Zhang Yuling, who looked exactly like a boy. Yuling, a national table tennis team member, ran away in frustration because she was eliminated in the trials. For some reason, she met Su Su and followed her closely. They made an agreement with Su Su. They both wanted to realize their dreams. It seemed that they were destined, and a feeling slowly awakened quietly.