Kim Jaehwan crash lands on a planet unknown to him. He later learns that the planet he landed on is the home of his ancestors and the home of one lone young woman.    

  Upon returning to her hometown known for their unusually long winters and ancient evergreen after her late uncle gifts her his estate, Sohn Eunbi finds out that her uncle isn't as kind as she thinks he is.    

She enjoyed living on a rooftop. The stars shined brighter up there. He enjoyed living on a rooftop. She shined brighter up there.

  Things start to get complicated when things get rocky between Jang Hyunseung and his long-time girlfriend, Sohn Eunbi, who soon starts seeing Yong Junhyung in a different light.