The TARDIS arrives on the planet Telos where an Earth archaeological expedition, led by Professor Parry, is attempting to uncover the lost tombs of the Cybermen. With a lot of help from the Doctor the archaeologists enter the tombs. There, one of the party, Klieg, reveals himself and his business partner, Kaftan, to be planning to revive the Cybermen. 　　He wants to use their stre...