A teen girl, Jeong-min, stays with her grandpa and helps in his bookstore. A young bird store owning man with a broken heart sends off a pigeon with a letter that arrives at the now adult Jeong-min.
| Actor | Role |
|---|---|
 Park Shin-yangHyun-jun | Hyun-jun |
 Gianna JunJung-min | Jung-min |
 Kim Se-junJi Seok | Ji Seok |
 Jeon Moo-songGrandfather | Grandfather |
 Kim Yeong-okFlower shop grandmother | Flower shop grandmother |
 Yang Dong-geunHan Suk | Han Suk |
 Yang Jin-wooPostman | Postman |