The movie revolves around numbers, and Chen Zheng, a mathematical genius working at the Bureau of Statistics, gained fame for accidentally assisting the police in deciphering the secret portrait of robber Ding Qiang. He was revered by the public as the Digimon, but the scenery was beautifulNot long after, Ding Qiang's daughter Ding Ruobing avenged her father and transformed into a hacker, the Flower Demon, who invaded the computer of the Criminal Investigation Team and threatened to set up a hidden bomb. People were in a state of panic for a moment, and at the critical moment, Chen Zheng was tasked with cracking down on the Flower Demon's deviceThe three equations below are intended to save the city from crisis. But as the investigation deepened, it turned out that the Flower Demon was not Ding Ruobing, but Chen Mo, the brother of Chen Zheng. The brothers were at odds, and the past memories surfaced, in a situation of profitHow should the two people facing love, family, and justice, who are opposite to each other, make a choice?