An anonymous donor leaves a donation box in a town every December for 17 years. A self-claimed reporter, Ji-hoon comes to find and interview the generous donor. Then the reporter turns out to be a crook.

Tree curer Cheong-a, who dreams of a happy marriage with her fiance, receives a request for tree treatment and visits a high school. Cheong-a meets a mysterious high school girl with a strange aura while she is treating trees and suffers from bad dreams every night thereafter. Then, one day, a box is delivered to her through parcel service. In the worn-out yearbook contained in the box, the face of a male student encircled with a red pen many times as if done by a crazy person catches her eye together with her picture in her high school days… The memory of that day suddenly comes to her. Will the fear that has been suppressing her be identified?

On a snowy night, little Seon-mi is diagnosed with hemopoietic dysplasia. Years pass and Seon-mi, who has now become an adult, has overcome her pain and is adjusting to the adult world. Having decided to use her talent to become a perfumer, she travels to many different places to collect various scents and spices to help people with their inner pains. She meets Sang-woo at an aquarium and is strongly drawn to his scent which reminds her of her father.

Bomi is 12 years old. She wants her own room so badly. Her sister, Eonju, whom she shares the room with keeps sneaking a look at her diary. She studied really hard to get first place as her mom promised to get her own room if she did but her mom keeps denying the promise. So Bomi decides to marry her sister off! She finds out that the manager of a construction company like her sister and does her best to help him. The manager ends up winning her heart and proposes to Eonju. But she refuses his proposal. Bomi gets curious and tries to find out why she doesn't want to get married.