Da-eun enjoys a joyful life with her devoted single father, who has given up everything for her well-being. She holds deep affection for him. However, their bond is on the brink of a surprising shift. Da-eun starts to suspect that her father could be a notorious kidnapper. Despite her desire to trust in his innocence, she is compelled to seek proof that might reveal otherwise. What is the reality of her father’s identity? And how will she cope with the weight of her findings if her fears are validated at the conclusion of her quest for the truth?