Nan was born with a rare condition that causes her to produce breast milk even though she has never been pregnant. After spending her life running from people who sought to take advantage of her, she finds herself in desperate need of money and applies for a job as a wet nurse at a wealthy household deep in the secluded mountains. There, she meets the adorable young Sajun.

But for some reason, a strangely familiar man keeps appearing in her dreams, teasing and seducing her in increasingly provocative ways...