Two men and two women, their relationship begins in tragic fates, and it grows into love, agony, and parting.

A woman, who is about to marry her longtime lover, encounters a man who looks just like her first love.

A story of two couples' journey of new love, loss and unexpected reunion spans decades, from the 1970s through present day.

Hae Jung is the eldest of four sisters, and is kind and giving to her younger sisters - even though she's actually their half-sister. In contrast, second sister Yu Jin is ambitious and straightforward, and cares deeply for family friend Young Hoon, causing plenty of problems for everyone else! Third sister Yu Mi is materialistic and gets engaged to a rich gentleman despite having another, more sui...

Couple #1 "Truthful love" that matures through the asdness of break-up Hyun-jun and Sae-young, sho got married after a hot romance as a campus couple, collide because of trivial everyday problems. Ultimately, when Sae-young miscimceives her husband's relationship whirwinds into a divorce. Couple #2 "comical love" that is as comfortable and natural as a friendship Goong, Sae-young's elementary scho...

A woman, who is about to marry her longtime lover, encounters a man who looks just like her first love.

Two men and two women, their relationship begins in tragic fates, and it grows into love, agony, and parting.

A story of two couples' journey of new love, loss and unexpected reunion spans decades, from the 1970s through present day.