The day Shen Zhao tore up her will, the whole family thought she was crazy. No one knew that she had already used an old mobile phone to record every heartbeat, every training session, and every moment of silence of her son Zhou Yan into the data. When Zhou Yan cracked the encrypted signal at the military training ground, he didn't know that the string of codes that he thought was a loophole was his mother's silent cry for help for ten years. What really wants to block their reunion is not the law, but those who have buried the truth with their own hands. They are standing in the spectator seats at this moment, quietly changing sides.