Fang Yuan, a compulsive gambler, loses everything—his debts get his mother Zhang Guilan and sister Fang Qian killed. As he prepares to end his life, the God of Wealth intervenes, gifting him a mystical Dragon Key. Suddenly, Fang Yuan awakens in Da Qi Year 36, now the wastrel heir of the powerful Fang Clan. But his new life is no reprieve: servants urgently inform him that patriarch Fang Tianxiong and his concubine Liu Yueyan are expelling his new sickly mother and fragile sister into the streets.When Fang Yuan rushes home, he's mocked by Fang Sheng—the clan's second son and an imperial guard captain. Then, Princess Zhaoyang (Lin Xue'er) demands he annul their engagement, declaring she'll choose a new husband via martial contest in three days. Overwhelmed, Fang Yuan discovers the Dragon Key opens any door. Testing it, he stumbles into the Ghost Market Pawnshop—unwittingly igniting a war that spans time, the mortal realm, and the divine...