Dr. Quinzel continues to try and pierce through Helena's secrets in their therapy sessions. Meanwhile, when Slick, a meta-human that Dr. Quinzel hires, botches a armored car robbery, she sends him to kill the cops on the case. Slick's ability to alter his molecular structure from solid human form to water, gives him a distinct advantage over his prey. Dinah hides her past from Oracle and Helena, as she continues her weapons training. Huntress and Detective Reese's attraction to each other grows. Barbara's day-time job as a school teacher brings her together romantically with a co-worker who is oblivious to her crime-fighting activities. Huntress has to get very creative in order to defeat Slick in his liquid form.