Watch the official promo for the finale to see Cassie's final confrontation as she connects the dots:

In the season 2 finale, "Backwards and Forwards," Cassie uncovers that CIA manager Dot Carlson was framing her, while also dealing with a surprise attack from fan-obsessed Jenny. Megan enters witness protection, and a newly sober Cassie finds emotional closure by reconciling with her mother and celebrating at Annie and Max's wedding.