A modern man travels through time and becomes the overlooked Sixth Prince in a treacherous imperial palace. To survive in this complicated and dangerous environment, he pretends to be foolish. Using various incidents as opportunities, he seeks a legitimate reason to leave the capital. In court, he cleverly handles challenges from all sides and thwarts the deliberate schemes of rival political factions. When receiving foreign envoys, he displays extraordinary courage and remarkable insight. Meanwhile, he secretly gathers talented individuals and capable subordinates to build up his own power. During an unexpected crisis, he develops mutual feelings with a skilled martial artist, and the two embark on a journey together. The prince subsequently volunteers to guard the frontier, determined to make his mark in the wider world through his own abilities, leave the turmoil of the imperial court behind, and begin an entirely new chapter of his life.