Max creates a reverse image of Supergirl using her DNA, and sets it to fight the Woman of Steel. Meanwhile, James and Winn share a drink, and Max reveals to Alex how much he knows about her connection to Supergirl.

An armored alien with advanced tech is hunting down the Fort Rozz prisoners... and executing them. While Supergirl tries to find him, James questions whether the DEO has the right to lock up Max without charges or a trial. Meanwhile, Kara tries to deal with Cat's new assistant at work, who is intent on upstaging Kara.