Jungkook is a successful and popular businessman who is shocked when his ex-girlfriend suddenly reappears in his life, asking to spend a month with their son whom she left seven years ago. Torn between his desire to rekindle his relationship with his son and the fear of disrupting the child's life after so many years of absence, Jungkook must make a difficult decision. Will he let her reconnect with his son and deal with the consequences, or will he let the past stay in the past? Read on to find out