Lin Dong's story carries on in this fourth season of Wu Dong Qiankun, a 12-episode action fantasy adventure released online. In the Great Yan Empire, only strength earns respect. Lin Dong comes from a banished branch of the Lin Clan and saw his family brought low by Lin Langtian, the clan's prodigy. Vengeance for that suffering drives him, and a mysterious talisman he found set him on a path toward a destiny far larger than he imagined.