When David Innes and inventor Abner Perry drill into the unknown, they find themselves in Pellucidar—a savage world beneath Earth’s surface, where prehistoric beasts roam and ruthless reptilian overlords hold humanity captive. Stranded and desperate, David joins the rebellion to free Pellucidar’s people, facing monstrous foes and ancient mysteries on his quest. But when he encounters the fierce beauty, Dian, his journey gains new purpose, drawing him deeper into the heart of a strange and dangerous world.