
Finn Quinn is murdered by his fiancée and brother, reborn as a Bullfrog. He awakens the Infinite Evolution System and ventures into Dragon's Gate Mountain, where a Dragon Vein is hidden. The murderers take control of Quinn Corporation and conspire to seize the Dragon Vein. Finn, now a Golden Toad, appears. The murderers become suspicious and place a bounty on him. Finn grows stronger, thwarting their schemes and protecting the Dragon Vein.