Chi Qingshu and Mo Qinglian, the "heroic couple" in martial arts mythology, fell into an earth-shattering turmoil because of Chi Qingshu's mysterious identity. What mysterious identity does Chi Qingshu have? According to legend, the master of Meiling Island, the younger brother of Old Man Wan Lai, led two disciples and threatened to avenge his wife. What kind of past did that island owner have with Old Man Wan Lai, causing the two people who were originally close brothers to turn against each other?