The play tells the story that Lin Beixing accidentally deleted the old mobile phone text messages and went back to high school to get to know Zhang Wansen again. They helped each other grow up.
Back to reality, Lin Beixing sat in a chair and wept silently. She didn't understand why she wanted to save Zhang Wansen, but she returned to reality. Sitting at the station, she looked at the last message in the old mobile phone and prayed that Zhang Wansen must be saved this time. Press the delete button, and she runs around the campus. When she saw Zhang Wansen who was sending a message to pull him, she ran out. Zhang Wansen's mobile phone was dragged to the ground. Looking at the confession information to be sent to him in the mobile phone, Lin Beixing returned to reality. A gangster named Gefei took people to the repair shop to find wheat, and robbed the mobile phone and daily necessities under the wheat bed, thus forcing wheat to find himself. Wheat leaves the hospital early, apologizes to the boss, and then finds Brother Fei. At this time, Gray learned that Wheat had betrayed himself for Zhang Wansen. Wheat accidentally killed Gray with an ashtray. He stayed in prison for ten years. Brother Fei wants to avenge Brother Lei, but Wheat doesn't want to fight and kill again.