The TARDIS crew arrive in Mexico in the 15th Century. With the TARDIS trapped in a tomb, Barbara is mistaken for a female reincarnation of the ancient high priest Yetaxa, and assumes her guise and identity. From her new position of power, Barbara sees her chance to bring an end to human sacrifice. She sees the good side of Aztec culture manifested in Autloc, the High Priest of ... (展开全部bbb