The Martial Saint rose to power starting as a substitute bridegroom.

In a world where martial arts mastery is the key to success, Li Yuan finds himself transplanted from his ordinary life into a realm where his determination and effort can yield extraordinary rewards. With the power of the "Heavenly Book of Evolution" guiding him, he discovers that every unit of effort can bring tenfold returns, propelling him towards unparalleled success. However, his life takes an unexpected turn when his biological parents arrange for him to marry into the impoverished Zhou family as a substitute for their genius younger brother. As he navigates his new life with his stunningly beautiful and gentle wife, Li Yuan's life begins to flourish, setting him on a path of rapid progress and ascent to power.