She was the last girl he truly loved.

He was the last boy she truly loved. 

They were once lovers until a fatal car crash occurs leaving Yoona alone in the world. Or that was what she thought happened... 5 years later, he comes back into her life unexpectedly leaving her bewildered. Wasn't he, Mr Kim Jong In dead long ago?

Meet Kim Jong In. He is now a very successful entrepreneur of a huge shipping company. Rejecting the idea of becoming a surgeon like his father, he decides to pursue what he loves best after recovering from the pain Yoona caused from leaving without a word and the cold truth that she abandoned him for some petty fact. Now she is back in his life again, he is determined to make her life hell. But will he be able to do it? Watch your back Im Yoona. Kim Jong In is the predator and you are the prey now.