Solbi, who was asked to look after the house while her mother went on a trip to Europe, comes down to her parents' house. While watering the garden, she starts talking to Heeyeon, a divorced woman who lives next door, and Solbi feels a thrill towards the affectionate Heeyeon. From that day on, the two become closer, and Solbi's feelings for Heeyeon grow with each passing day. One day, the two go to an amusement park together with tickets that Heeyeon's daughter Ji-min got. While enjoying a date while riding the rides, snacking, and laughing, when the first snow falls, Solbi confesses to Heeyeon that she wants to be her lover by kissing her...