Kim So Jin is an ambitious man who has a successful carreer and a wonderful family, but his perfect life comes to a halt when his daughter is kidnapped by unknown. He falls into despair. By chance he gets the opportunity to connect with a person in the past.
To pay for her sick mother’s operation, Han Ae-Ri is torn between her studies and working a part-time job. One day, her mother suddenly disappears. She falls into despair, when a man from the future contacts her.