Nic□las□Br□wn □s a skille□ fight□r with a□□□sterious past. □eaf and st□ic, he □□lies on his combat □□ili□□es □o □e□ the job done.□On the other ha□d,□Worick □rca□gel□□is the br□ins □f th□ operation, c□arming and stre□t-smart. To□□ther,□they form a formidabl□□duo□th□t□is both f□ared and□re□p□cte□ i□ Ergastulum. □□ the se□ies□prog□es□es□ their ba□k□tories are□gradually reve□led, a□d□ng dept□□□□□thei□ characters.