Three year's previously Min Woo lost his first love in a tragic accident. As he struggles on with life he meets Hae Won who reminds him of his lost love but is racked with emotion and confusion as his feelings for these two women become intertwined. Unbeknownst to the florist Hae Won she has received her heart transplant and a second chance at life from Min Woo's first love. When the two cross paths Hae Won notices her unusual heart beat. Nobody knew it was her heart that remembered and beats strong for her lost love Min Woo. As Hae Won starts falling in love with Min Woo soon the conflict erupts between the lovely florist and her fiancé Jung Jae.