Hee-won has a crush on a best friend. However, that person and one of her friends are currently dating. Feeling down, Hee-won made up her mind to go wild just once and sought solace with a good-looking stranger. The very satisfying one-night stand brought unexpected influences, that she got pregnant.
Fate brings them together again, and now Doo-joon is determined to marry her. But basically, they didn’t know well each other except for sexual intercourse. What will this female have to do?