Despite their different family backgrounds, four friends grew up together in the wearisome years of the 70s. But as time goes by, each of them takes a different life path.
Jeong-woo, who grew up with Han-na under their adoptive mother, goes abroad to contribute to a difficult family environment. However, after hearing the news of the death of his adoptive mother in a hit-and-run traffic accident, he returns to Korea, and found out that Cheol-jin, a member of the...