A young man receives a mysterious smartphone known as a God Tool, a device loaded with powerful applications that enable him to hack security cameras, control drones, and manipulate electronic systems. Initially, he uses these abilities for personal profit, but quickly accumulates a massive debt when he discovers the apps charge fees for their use. Forced to work with the shadowy organization God Tools, he becomes a bounty hunter tasked with capturing criminals who also wield such phones. Alongside other God Tool users, he battles a guild of masked antagonists and begins to question the organization's true motives. The series shifts from tactical, app-based encounters to superpowered brawls involving bionic limbs and supernatural enhancements, as the protagonist delves deeper into the conspiracy behind the God Tools' creation. Notable arcs include his initial reckless indulgence, the partnership formed under duress, the hunt for a killer who murdered his family, and the gradual revelation of larger forces at play. The story balances strategic mind games with visceral action, exploring the moral cost of wielding absolute technological power.