When Lin Yeni met such a person when she was young, she never knew how to describe the feeling he made her. Until she watched a movie called "Heartbeat" when he had already left her, and it turned out that he was the colorful person like a rainbow... Three years later, he returned to her world, she resisted, he refused to let go, she broke away, but he hugged her tighter...
But the gears of fate chose to start when she was about to turn back, her rebirth, his despair...
However, can they pick up their scarred hearts again after many years and take heavy steps to trace the belated touch and love?