Mary and Alice continue their sisterly bonding, Ryan, Lukeand Sophie are desperate and willing to do almost anything tostop them…even entertaining a dangerous proposition by ReneeMontoya that finally rid Gotham of Pamela Isley. As the teamhunts for the source of Poison Mary's power – and potentialdemise – Renee is forced to revisit her heartbreaking past.Meanwhile, Marquis grows more unhinged and throws aspectacularly sinister soiree at Wayne Tower…and everyone isinvited.
