After a folktale-like prologue that recounts the history of the fictional African nation of Wakanda, BLACK PANTHER opens with a flashback to 1992, when a younger T'Chaka makes a surprise visit to Oakland, California, to confront a rogue Wakandan spy. Back in the present, T'Challa is preparing for his coronation day, which includes a potential challenge -- through ritual combat -- from any of Wakanda's five tribes, as well as a sacred ceremony in which he officially becomes the nation's Black Panther. After T'Challa takes the throne, intelligence surfaces that notorious arms dealer Ulysses Klaue has stolen a vibranium artifact from the British Museum. T'Challa takes his top warrior -- head of the royal guard General Okoye -- and his former love, Nakia, a Wakandan spy, to attempt to capture Klaue (one of the few outsiders who knows the truth about how much vibranium -- the most valuable metal on Earth -- is available in Wakanda). But CIA operative Everett Ross and Klaue's mysterious young ally complicate the mission. It turns out that the mystery man is a former SEAL who has a very personal score to settle with T'Challa and the Wakandans. - Common Sense Media