After being betrayed by someone she thought she could trust, Clarke takes matters into her own hands and proves she’s not going down without a flight. Bellamy, Finn and Murphy race against time to save a stranger. Meanwhile, tensions rise between Raven and Wick while working together, and an unexpected reunion occurs.
Phil and Claire don’t know if they should be happy or concerned that Haley and Andy are spending a lot of time together, however, they soon find things are not what they appear. Gloria is pushing Manny to learn Spanish instead of French so she goes ahead and hires a Spanish tutor, Diego, who also happens to be very handsome, much to Manny and Jay’s chagrin. Meanwhile, Mitch and Cam meet a popular news reporter at a school function and one of them piques her journalistic interest.
After a body is found strung up in the Wildcat gym, Ted Grant becomes the main suspect. Oliver and Laurel argue over Ted’s innocence. Meanwhile, in flashbacks, when Maseo needs Oliver to remember where an informant for China White stashed key information, he asks Tatsu to help jog Oliver’s memory. Roy shares a secret with Felicity.
The Heck house once again throws a curve ball to the family when the kitchen sink caves in and drops out of sight, causing Frankie to have to wash the dishes with the outside hose. Meanwhile, Sue is informed that, since Wrestlerettes does not qualify for P.E. credit, she needs to master tinikling — a difficult dance routine for a clumsy Sue — to get the credit she needs to graduate, and after Brick accidentally breaks Mike’s lawn mower, he takes Axl’s advice to try and play the hero card by taking his dad’s wallet then returning it later, thinking this will divert Mike’s attention away from the busted mower.
The team discovers murder victims with the alien glyphs on them that Coulson’s been etching. All of Coulson’s secrets and lies come to a head.
After a bomb goes off downtown, the army, led by General Eiling, rolls in and takes over the case, much to Joe’s surprise. Suspicious, Joe tells Barry that he and his friends at S.T.A.R. Labs should look into the army’s involvement. Wells informs the team that Eiling was experimenting on his men to turn them into super soldiers. Cisco confirms one of Eiling’s soldiers, Bette Sans Souci, was at the bomb site. The Flash tracks her down and realizes that she’s not setting off the bombs, she is a meta-human who can blow things up just by touching them. Meanwhile, when Joe learns Iris is writing about “the streak,” he tells Barry to make her stop. Barry realizes Iris won’t listen to him so he decides to have The Flash pay her a visit.
When Eliza discovers that a distracted Henry wants to drastically reduce their mentoring sessions, she resolves to put an end to Henry’s biggest distraction – his new lady friend, Julia.
A murder investigation launches Castle into what seems to be an alternate universe where he’s never met Kate Beckett. Castle has to convince Beckett, Esposito and Ryan — now complete strangers — to let him participate in their investigation so he can find his way back to his own world. This inspires Castle & Beckett to finally take a trip to the altar.
Alicia takes on a college rape case which pits her against Louis when it moves from a university hearing to civil court. Eli and Elfman conduct a political focus group. Alicia dives into her campaign for State’s Attorney.
