An investigation leads Harken and Hicks to go undercover in a secret, underground Alphas-only Fight Club where they meet "Kat", a wry, fast-talking, energetic fellow Alpha whose ability is that she's able to instantly memorize any physical or mental skill. Ultimately Kat is put in jeopardy by the bad guys and Harken and our team rescue her. In the end, Rosen considers inviting Kat to join their odd-ball family of quirky superheroes.
Spoilers ahead. Coverage follows the scope labeled below.
Complete story — includes the ending
While investigating the death of an Alpha, the team learns of an underground Alpha fight club. Harken meets a mysterious girl there named Kat ( Erin Way ), who offers to assist him when he goes undercover to learn more about the fight club. Kat teaches Bill how to channel his ability without getting angry. Kat is kidnapped and the team tries to rescue her. As Gary struggles with Anna's death, Gary's mom learns to let go and allow him to grow independently.