In the 1980s, Hyeon-soo, who is from a rich family but causes all sorts of trouble, barely makes it out of junior high and makes it to the next grade where he steps out of the 'Hurricane's' line.

Young lovers, Seung-hyeon and Ji-a, were drifted apart without even getting a chance to open themselves up. 7 years later, they meet again in their hometown. Embracing their feelings for each other at last, they fall in love once again and share cherishable moments together.

After her engagement ends, Mi-yeon reluctantly adopts a sick dog named Happy. With help from vet Min-su, she begins to heal and rediscover joy.