Having saved the statuesque Amazon warrior, Athena, from certain death, Tarzan and Boy reunite with Jane. Entrusted with the ultimate secret of Palmyria's hidden location, Tarzan is now the stalwart keeper of the wondrous city's mystery. However, the archaeologist Sir Guy Henderson's expedition to unearth unknown African civilisations, combined with Boy's impetuous nature, will soon put the lost tribe in jeopardy. Now, all intruders must face death. Will the greedy invaders meet their fate at the hands of the proud Amazons?
—Nick Riganas