Nae-young, a veterinarian with deep childhood trauma, lives a quiet life until one day he meets a man who comes to see him for his dog.
While caring for Nari, who was rescued from a pound and adopted, the man gradually develops a crush on Nae-young.
Nae-young, who lives in gloves due to a condition that prevents him from making human contact, panics when he realizes that his inner walls are only lowered by Jin.
But for Nae-young, who is still haunted by the curse of his past and seeking revenge alone, Dr. Jin is someone he should never accept.

As Nae-young continues to live in the past, Mr. Jin tries to pull him back into the present and future...