Holden and Fred deal with infiltrators on Tycho. Drummer’s past comes back to haunt her. Amos returns to Baltimore. Alex and Bobbie’s investigation on Mars leads to rogue soldiers.

Luke is pulled deeper into the fight for his neighborhood when, as a favor to an old friend, he tries to help a kid who’s in trouble with Cottonmouth.

With tension building in the streets of Harlem thanks to ruthless club owner Cottonmouth, Luke finds it increasingly difficult to live a quiet life.