He has been a mannequin on Doll Street for many years. When the clock strikes midnight, certain mannequins from different shops come to life. The arrival of a new female mannequin disrupts his daily routine. Now, he finds himself revolving around her. He dotes on her and soon, comes to love her. But there's something he's not telling her, and she's bent on finding out.

Zoe
Can you let me love you, though I’m not human? Can you let me love you, though I am heartless? But in order to love you, I need to know who you really are. 

Kai
I don’t believe you have to be human to love. I don’t believe you need a heart to love. But in order to love, I need to have you.