In the notorious Five Points slum of 1870's Manhattan, Galen 'the Mongoose' Driscol steps out of jail and back into the arms of his transgendered lover, Wira Boruta. When Galen tells Wira that he's tracked down the man who tried to kill them as children, Wira is unwilling to listen, and pleads with Galen to forget the past, and live only for the future...their future.

Only Galen doesn't forget, nor does he forgive. He doesn't give a second thought about exacting justice, but justice has a price, and it's come to collect from the one person Galen loves most...