Kim Taeyeon happily celebrated her 18th birthday. As a special gift, her grandfather gave her a super duper huge doll. The doll is even taller than her. She was surprised because she never played with dolls, not even once. But she started to like this doll since it's beautiful. It even looks like a real person.

She saw the doll's name written on it's dress. TIFFANY.

What if the doll starts to be alive and it starts to move and talk?

What if it's not just an ordinary doll? What if it's more than that?

Would Taeyeon be able to handle the weird and freaky situations with her so-called "doll"?