Lee Hyuk-Jae (Eunhyuk) is an aspiring chef who moves away from home to open his own confection shop. While he is unpacking in his new shop, he discovers that two strange girls are always sitting in the shop hiding in cardboard boxes. They look half normal and half...cat. Later on Eunhyuk see's that more and more girls keep coming to the shop, not knowing why, and what's more shocking to him is that where they come from, and what they want to do to him