Don't go back.

After the wrap up of filming the lead actor, Chung-gil, decides to confesses his feelings to his co-star, Hyun-kyung. However, Hyun-kyung feels uncomfortable with Chung-gil's confession. Their relationship becomes awkward, and an unexpected event unfolds in the midst of this tension. Three months later, both Hyun-kyung and Chung-gil visit Busan for different reasons and coincidentally run into each other. This encounter gives Chung-gil another opportunity to confess his feelings.