Nan Au-Yeung (Michelle Wai) and Sze Tso-chi (Ken Hung) share the same birthday, go to the same school, love photography, and are just as competitive. But they did not know of each other’s existence until they “crossed swords” at a debate tournament. And they both felt as if the fairytale prince and princess finally found each other. Later in a birthday party, Nan thought Chi played a trick on her, leaving a slap on his face. Four years later, Nan Au-Yeung encounters his ghost and learns that he is already dead…