In a story that spans between two eras, Ah Yau finds himself transported from modern times into his past life; reliving a journey of fantastical love with a girl named Man Man. This is the story of how Man Man, a fairy fish of starlight and silver transformed into a woman, came into his life to repay a kindness that he himself had long forgotten. It is only when Ah Yau returns to his body in the modern day that all the memories resurface, reminding him of a bond that should never have been forgotten.