Genius hacker Shangguan Yu falls into a compensation crisis due to a corporate trap, and accidentally encounters a mysterious female bodyguard, Zi Xiezi, who comes to his rescue. Zi Xiezi is actually the girl rescued by Shangguan Yu eight years ago, who has secretly admired him all along. The two are targeted crazily by the gang boss Tiger, going through betrayals and dangers on their escape route. Shangguan Yu's former classmate betrays him, and his partner Xuer also gets involved, creating many hilarious misunderstandings. Shangguan Yu picks up his hacker skills again, collects criminal evidence of the gang, unites everyone to fight against the dark forces, and finally resolves the crisis, staging a thrilling yet humorous urban hacker love story that captivates the city.