Stannis confronts a troubling decision. Jon returns to The Wall. Mace visits the Iron Bank. Arya encounters someone from her past. Daenerys reluctantly oversees a traditional celebration of athleticism.

When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.

Will learns more about his origins and the threat to his future, while Wolfgang’s actions catch up with him, even as his bond with Kala strengthens.

Riley learns about her new life and its dangers, Kala deals with the aftermath of the attack on Rajan’s father, and Lito’s world spins out of control.

Sun fights to adjust to her new life as Capheus tries to change his. Will and Nomi dig up disturbing information that could change everything.

With many of the Sensates’ lives becoming more complicated, their newfound gift — while still a mystery — proves vital for survival.

Nomi makes a shocking discovery about her former doctor, while Will gets closer to the truth behind his visions and Kala’s doubts grow stronger.

Nomi’s fortunes take a dark turn, while the rest of the Sensates’ connections become stronger and more dangerous.

While the Sensates bond, Nomi takes a bold move to gain her freedom and Sun makes a choice she might someday regret.

Eight strangers from cities around the globe begin having experiences that defy explanation.