An accident happened. The lively and lovely Ai Chen met the cold Yi Tingquan. The two developed a vague love in the fight. When their love was about to begin, another accident happened and separated them. When he walked past her, she wanted to hold his hand and tell him not to leave her. But it was no longer possible. She knew that only by choosing to let go would she be able to... It is the best for each other. Today, many years later, when they met, there was another person beside each other. He told her that he had always loved only her and asked her to come back to him. However, it is impossible to turn back the time that has passed. Only by cherishing the happiness in front of each other can it be true. They chose to use smiles to fulfill each other and keep each other deep in their hearts.