Guardian Season 1 Episode 7 Zhao Yunlan's hero saves the United States and protects Shen Wei's safety ( Air Date 2018-06-20 ) Genre Crime, Mystery, Sci-Fi & Fantasy category. Overview "Chief Zhao rescues Shen Wei from a mugging and later one of the criminals turns up dead. Lin Jing figures out the murders are based on a popular web novel. After solving another case, Zhao and Shen Wei share a sweet moment talking about the case.".