Amid famine and chaos, Chen Teng, a young man who has endured endless bullying after transmigrating to another world, unexpectedly activates a system that lets him fish for all things. Through fishing, he turns his fate around. He saves a chivalrous heroine, encounters a wealthy young lady, protects his mother, and avenges past wrongs. Using extraordinary treasures and firearms, he repeatedly defeats bandits, corrupt officials, and a rebellious prince. From a penniless young man, he rises to become the Marquis Who Pacifies the Realm, overcoming countless hardships and carving out his own legendary tale in a turbulent age.