Penny works as a professional stand-in, playing clients’ unattainable first love in win-back scenarios for a living. Meanwhile, she becomes Peter’s humiliated substitute. When Peter’s elder brother Julian comes back home, he accidentally discovers Penny is his long-lost childhood sweetheart. As Penny’s real identity is revealed, a 15-year-old family secret of Julian’s also comes to light. Eventually, Julian releases old grievances. Peter travels abroad to seek peace.
