Zhang Chulan’s ordinary life is upended when his grandfather’s body vanishes, drawing him into the secretive world of Outsiders. Joined by the mysterious Feng Baobao, he uncovers hidden truths about his family and powers. As they face dangerous challenges, Zhang Chulan and his companions forge bonds and seek justice while a greater battle between good and evil looms.

Zhang Chulan is thrust into the mysterious world of the Outsiders, where he faces trials that shape his journey toward heroism. Alongside Feng Baobao, whose loyalty is tested during a crisis, he uncovers secrets tied to the enigmatic Biyou Village and the legendary "Eight Supremes." Meanwhile, elite operatives of NDT Express unite to track a rogue agent, uncovering hidden truths along the way.