Joy, a fishing village girl who dreams of becoming a captain, and her friends Smelly and Beans always fantasize about the vast sea beyond the breakwaters. They secretly plan to build a small boat together during winter vacation, aiming for an adventurous voyage before Smelly leaves the village.

On the eve of graduation, Xi accidentally overhears her crush, Yu, talking about his ideal type after a football match. In an instant, her natural curls become her biggest worry. She starts a secret plan to straighten her hair. But things didn’t go as planned and beneath their friendship, something began to quietly shift. Just before everything falls apart, Xi slowly realises that maybe being imperfect isn’t so bad.