Young-jun decides to buy the MacBook with all its assets. However, he is cheated while trying a used deal. After reporting to the police station but receiving no help from them, Young-jun heads to China try to catch the scammer.

Sulan, who works in a factory in the summer of 1978, begins learning photos with other female workers from Seok-yoon, the owner of the photo studio across from the factory. Seok-yoon, who had been closed, began to open his heart to female workers, but began to feel uneasy about the female workers' labor movement.