[Planned for a long time/Secret love comes true/Possessiveness/Marriage first, love later/Double purity]
Twenty years ago, there was a meeting in an alley. Glass marbles and a red rope bracelet carried the boy's ignorant secret love. Twenty years later, grandma became seriously ill, and a contract bound their fate again. He is tough on the outside, but gentle as water on the inside. The business world is ups and downs, conspiracies are surging, and the secrets hidden in the diary are gradually revealed. Can they break through the predicament and extend their youthful heartbeat into a lifelong togetherness?
