Yavalla (Jaye Griffiths) recruits Gwynn (Imogen Waterhouse) to join her cause as Talon (Jessica Green) presses to get some answers in the new episode "The Key to Paradise." Meanwhile, Tobin (Aaron Fontaine) faces a difficult choice as he is reunited with a past love. Elsewhere, Zed's (Reece Ritchie) loyalty is called into question. Izuka Hoyle, Jake Stormoen, Adam Johnson, Georgia May Foote and Anand Desai-Barochia also star.