The Core that powers the time machine is fading. To get Cole back from the past, Jones must convince her former colleagues at the military operation "Spearhead" that her mission is worth saving.

The future of the mission - really, the future of the future - is up in the air.

Lucas recalls the history of his friendship with Job, while pondering the future - if there indeed will be one. Proctor and Emily pay the price for Rebecca's recklessness. Carrie and Gordon pick up the pieces of their shattered relationship. Stowe and Leo land a big fish. Bunker reconnects with his skinhead past. Deva gets a lesson about crime and punishment.

Erin is rattled when an unknown assailant breaks into her apartment and also attacks her co-worker. Meanwhile, Jamie and Eddie discover a pipe bomb in an elderly woman’s apartment, and Frank looks into a charity that is soliciting money for the NYPD.

Dalton Academy burns to the ground, and the Warblers must combine with the New Directions to form a super group. Meanwhile, Rachel begs Carmen Tibideaux to let her return to NYADA.

Zoe (Rachel Bilson) gets sad when she realizes she doesn’t have an heirloom to pass down to their child, so Wade (Wilson Bethel) makes it his mission to find something from one of their pasts. Brick (Tim Matheson) is disappointed when everyone forgets his birthday, so when Lavon (Cress Williams) and Wade invite Brick on a fishing excursion, he thinks he is being led to a surprise party. Lemon (Jaime King) and Zoe try make plans to have a girls’ day, but things do not go as planned. Meanwhile, George’s (Scott Porter) parents come to town and they are shocked by who he is dating and his new job.

As the CDC team reels from the devastation at the Abbey, the Coast Guard arrives with news of a new outbreak. Meanwhile, incensed from her imprisonment, Amy takes control of the Abbey, locking Michael in the pit. Jordan, convinced her baby still lives, reveals the truth of the immortals to Kyle in exchange for his help. In the future, Walker's quest for Hatake's missing sword causes her to delve deeper into the Abbey's secrets

Episode info coming soon ..