After uncovering a cryptic message from the past, Alex (Tyler Blackburn), Isobel (Lily Cowles), Max (Nathan Dean), Michael (Michael Vlamis) and Maria (Heather Hemmens) set out in search of answers at the reservation where Alex's mother grew up. Meanwhile, Cameron (guest star Riley Voelkel) encourages Liz (Jeanine Mason) to reach out to someone from her past after Auturo (guest star Carlos Compean) gets detained.