Mancang experiences workplace changes, life drops to a trough, accidentally gets an opportunity, and steps into a hidden secret realm. Here, he meets companions, encounters the orphan of a prominent family, and gradually understands the decades-long disputes of the four hidden major families. Facing harassment and provocation from various forces, Mancang calmly responds, breaking the deadlock with the opportunity and his own strength. Danger lurks ahead, and various games have undercurrents. He will explore hidden treasures in the secret realm, clear away layers of mist, and walk out of his own path of rebirth.