一栋豪华别墅，迎来了美丽的女教师刘玉（车艺莲饰）。这家的男主人顾问泽（刘冠麟饰）和妻子是二婚（刘佳佳饰），他膝下有一个美丽的女儿青柠（常奕然饰）。但是当年因为某起事件，青柠的身心受到极大刺激，她把自己深锁在房间内，而且绝对不允许拉开窗帘照到外面的阳光。喜欢绘画的青柠请过多位绘画老师，结果没有一个让她满意，而刘玉的画作似乎深得她的欢心。青柠非常喜欢刘玉，两人一见如故，亲如姐妹。不过这个家中似乎隐藏着可怕的秘密，青柠仿佛总在和另一个看不见的人玩耍聊天，而一连串恐怖事件都指向了刘玉内心的原罪……
An old woman, Filomena, is hurried into the emergency room. The young man, who brought her, Matias, is very nervous. The nurses were drawn to him as he’s very good-looking. They think he’s her grandson. Filomena’s condition has stabilized but she needs further tests. At night, Matias visits her and Luna, the nurse on duty, is touched at how warm and close Matias is to the lady. Then Luna finds out something surprising yet heartbreaking-Filomena and Matias are lovers. Matias is a vampire whom Filomena when she was young. Their love was uncontrollable. Matias promised Filomena that he will not give her the curse of being a vampire- even if Filomena wants to be with him forever. Now that death is in the middle of their love, will Matias broke the vow so that they can continue their unconditional love forever? Will he allow death to take the woman that he loves? Luna in the end learns one of the greatest lessons about love and sacrifice.
