The episode features an Avatar of Khaine (a powerful war god manifestation) who, despite a valiant last stand that takes out a Dreadnought and multiple Marines, ultimately fails to save the Craftworld. REVIEW: Hammer and Bolter: In the Garden of Ghosts
The story centers on a small group of returning to the ruins of their ancestral Craftworld . Their primary goal is to retrieve spirit stones —psychic gems that house the souls of their fallen kin—to prevent them from being consumed by the Chaos god Slaanesh.
A brutal depiction of an Ultramarine invasion .