An unpredictable fantasy romance between a woman living under a curse that causes her to turn into a dog when kissed, and the only one who can help her overcome the curse is a man who is afraid of dogs.

Seo Jae-won who suffered an unfortunate childhood, becomes an ambitious and driven CEO that chases after success. But when her obsession gets out of hand, she tries to escape from her unhealthy desires but her husband, a designer and college professor, gets swept up in the process.