Zhao Fei, the Yutian Sword Venerable, lost memory after being betrayed, became a son-in-law, was expelled, then regained memory. He met Huang Tianjiao, who loved him. He took revenge on the Four Great Families for his parents' death, exposed the traitor Gao Wei and the king (the mastermind), killed them, inherited the throne, and found true love with Huang.
