In the shadow of Earth, a former starship pilot now works a grinding post as a lunar customs officer, inspecting cargo for dangerous alien spores and illicit substances. His marriage is unraveling under financial strain, and the dome's claustrophobic life offers no relief. When a smooth-talking associate offers him a way out-one small favor for a mountain of cash-he's pushed to the brink of desperation. As the stakes rise and shadowy forces circle closer, the inspector must navigate a treacherous path between survival and integrity, with the future of humanity hanging in the balance.