One of the most sought after episodes of all time, Doctor Who (Patrick Troughton) and his mates bring the Tardis to Telos, where lies the ancient tomb of the notorious Cybermen. A team of archaeologists are in the midst of excavating, trying to determine just why the mysterious race went extinct. Of course, it isn`t long before a traitorous member of the team accidentally defrosts a horrible secret that could spell doom for the Doctor.