It's easy to sell the idea of love but hard to actually allow yourself to fall in love.

Min Woo works as a professional dater, taking clients on dates and giving them a special experience for just one day. Ji Ahn is a professional letter writer, who helps her clients craft the perfect confession letters to the person they love. Although Min Woo and Ji Ahn sell their clients on the idea of love, they are afraid to embark on the experience for themselves.

When Min Woo and Ji Ahn meet each other, can they gather the courage to plunge into love?