In the verdant and tightly-wound habblock known as the Grove, where each alley and every inhabitant is home to old traditions, the Antecedent Solarian Fellowship prepares for the three-day Solstice festival.

Deputised with the full legal powers of Janus Corp, the Crewmembers must identify a rogue scientist leaking data off-colony. The only problem: everyone on the station is an exact clone of the same man.