[3][4] Baek Jang-mi is a sophomore majoring in design, a rich girl who grew up without experiencing any hardship in life.

Jang-mi's parents want to marry her off to an eligible man they chose for her, but she rebels and begins dating engineering student Park Cha-dol.

Lively and outgoing Cha-dol was raised by a single mother, and he's eager to graduate and start earning money to take care of his mom.

But when Jang-mi gets pregnant, she and Cha-dol are forced to change their plans, and must begin raising a child while both are still in college.

In the process, they slowly gain maturity and learn the true meaning of love.