One of the protagonists of the story is an ordinary courier who accidentally awakens the special ability to see through other people's movements while delivering goods. After emerging in the urban undercurrent, he is targeted by a mysterious organization and is forced to become an undercover agent and sneak into the underground black boxing arena. Here ancient martial arts are intertwined with modern technology, and every duel contains murderous intent. The protagonist is deceived and exploited by a mysterious organization due to his shortcomings in abilities and the cruel rules of the arena, and is misunderstood by others in the arena. At the same time, his girlfriend is threatened by a mysterious organization, and the protagonist is under time pressure and must complete the task as soon as possible. In a predicament, the protagonist uses system tasks to continuously improve his abilities, see through various traps, start an interest confrontation with the villain, and reverse the situation with the help of the system. Finally, he successfully exposes the conspiracy and achieves class leap, but he also pays a certain price.
