Stephen and his fellow Ultra trainees are given a test by Jedikiah to see who is worthy of becoming an Ultra agent, but not everyone is happy to work as a team. Cara is faced with a mysterious visitor from her past. Russell is sent on a dangerous recon mission that could force a clash between Tomorrow People groups. Meanwhile, John works with a new break-out.

Stephen is upset with Jedikiah for going back on his word, leaving Stephen to face The Founder. In order to protect Astrid, Stephen has to make a dangerous deal to bring in a powerful break-out. John and Cara clash, forcing Cara to issue a harsh and unexpected punishment. Meanwhile, Stephen learns a surprising secret about his mom.