Crime lord known as Black Mask, obsessed with control
Harley is forced into a deadly arrangement with Roman, who seeks to exploit her for his criminal goals.
Zsasz operates directly under Roman's command, carrying out his violent orders.
Montoya's investigation uncovers Roman's deep involvement in Gotham's organized crime.
Dinah is coerced into working for Roman but ultimately chooses to undermine his plans.
Roman's past actions directly trigger Helena's relentless campaign of revenge.