凯峰（黎明 饰）的妻子秋捷（王珞丹 饰）在一场意外之中不幸丧生，令凯峰沉浸在悲痛和绝望之中。凯峰找到了灵媒师，希望妻子能够死而复生，然而让凯峰没有想到的是，他的愿望竟然成真，秋捷以幽灵的形式回到了他的身边。 　　灵媒师告诉凯峰，秋捷并不知道自己已经死去，凯峰和儿子沐沐必须保守这个秘密，一旦秋捷识破真相，就会消失。就这样，这个家庭以这样一种诡异的方式破镜重圆。然而某一日，凯峰的表弟吉米（林俊杰 饰）竟然看见了秋捷的魂魄，与此同时，令秋捷丧生的那场雪山事故亦被媒体大肆报道，当一切都濒临崩溃之时，一个更大的秘密渐渐浮出了水面。Kaifeng wakes up with a terrible hangover. His heart aches for his lost wife, Qiujie, as memories of the accident rush back to him.It was meant to be a romantic climbing holiday. Both passionate climbers, they decided to summit a mountain in the Himalayas to celebrate their anniversary. But an avalanche dooms him to a lifetime of regret. Qiujie, the love of his life, mother of his son, is gone forever. In despair, Kaifeng turns to a spirit medium for advice on how to bring her back. And to his shock and joy, Qiujie really does come home. But she remembers almost nothing, including their son, and has no memory of the fatal accident. "Only those who love Qiujie will be able to see her spirit. You must never let her know that she's a spirit or she will disappear forever", says the medium. Kaifeng knows that she will not be able to stay forever. He can only try to keep the secret as long as possible with his son. Without letting her know, they try to keep her indoors and away from others while blissfully reliving the wonderful times they had before the accident. Soon the Himalayan climbing accident is uncovered and a body found. The police begin their investigation. At the same time, Qiujie discovers at a party the devastating truth that no one there can see her. She realizes that she is a spirit that must soon part with her husband and their son. She completely falls apart. Using the short time remaining to her, she works to leave a fitting legacy of memories for the future of her family.