Delivery boy Derek Stone unexpectedly gains access to a powerful delivery system. Every time he successfully delivers an order, he earns a special skill. With these new abilities, he solves a world-class math problem and catches the eye of Old Mr. Carter, who decides to marry off his granddaughter, Lily, to Derek. Due to his talents, Derek is invited to represent the Centre Kingdom in the Four Symbols Painting competition. Throughout the contest, he excels in math, martial arts, medicine, and cooking, impressing everyone and winning praise from around the world, bringing honor to his country.
Chase Watson, abandoned as a child, is asked to donate bone marrow to save his father. After mistreatment during recovery, he is promised the family legacy. He arranges a project with his wealthy grandfather, but on his birthday, his father announces the youngest son will inherit the family business, cutting ties with Chase.