Sara comes back to life from a car accident with the grace of a cat god. But she is now under a cat spell—that is, Sara turns into a cat on rainy days. There is only one way to break the spell. She must fall in love with the cat butler of her destiny who truly loves and cares for cats, and kiss. On top of that, a mysterious yet familiar cat murderer starts chasing Sara’s catself after she witnesses the murderer killing a cat with a stone. Will Sara be able to protect herself from the cat murderer? Will she be able to break the spell with a kiss from the butler of her destiny?