《秘密》的主人公分别是杀人者的女儿、抚养女孩的刑警以及怀揣秘密突然出现的神秘男人，三人在十年后再次重逢而发生的悬疑故事。A policeman discovers a love affair between his teenage daughter and her teacher which leads him back to an unsolved murder case he investigated 10 years ago.
