Young car designer Kang Dong-joon dreams of starting his own company in Korea but faces family troubles. His brother leaves to race cars in the U.S., and his sister flees after getting pregnant by a U.S. soldier.

Kang Dong-joon is a young car designer who desires to start his own car company in Korea. He tries to get assistance from his father, but the family is troubled. His younger brother hates their father, and leaves the country to become a car racer in the United States. Meanwhile, his sister also flees to the U.S. after conceiving a child with a U.S. army soldier.—MyDramaList