Barry (Grant Gustin) creates a map book to guide him and Iris (Candice Patton) throughout their future in order to keep her safe, but the results are not what he expected, and instead, they relive the same day over and over again.
Joe (Jesse L. Martin) has a heart-to-heart with Cecile (Danielle Nicolet).
A new big bad is introduced to Team Flash and friends and foes, old and new, begin to descend upon Central City.
Vanessa Parise directed the episode with story by Eric Wallace and teleplay by Thomas Pound & Sarah Tarkoff.
Air Date: Wednesday, February 8 (8:00-9:00 p.m. ET) on the CW.