Thunderbird coordinates a mission to discover what Sentinel Services had done to an old friend of his and Lauren encounters a new friend with useful powers.

Eclipse's ex-lover returns; Reed and Sage find alarming information about Lauren's new friend; Thunderbird helps Blink open up about her past; Jace approves a special surveillance program.

The team develops a risky plan to help mutants who are in Sentinel Services' custody. Reed reveals details to Andy and Lauren about the Struckers' family history that could prove to be a game-changer.

Dr. Campbell attends an anti-mutant summit, attempting to take the Hound program national, and some of the team at Mutant HQ goes on a dangerous mission to stop his efforts.