While preparing for battle, Clarke and Lexa have a heated discussion. Desperate for help, Raven has Wick summoned to the engineering room. Jaha and Murphy encounter a perilous roadblock. Meanwhile, at Mount Weather, Bellamy is in a race against time.
Claire’s computer becomes the hub of all the family’s activities when she gets stuck at the airport and is desperate to reach Haley after a big fight. After FaceTiming with Phil and the rest of the family to help track her down, Claire quickly turns to online snooping which inevitably becomes disturbing real quick and everyone gets sucked into the online drama.
Frankie realizes that she and the family forgot to celebrate Brick’s 13th birthday.
Malcolm is captured by Ra’s al Ghul and taken to Nanda Parbat. Because of his love for Thea, Oliver considers saving Merlyn. Ray is obsessed with finishing his Atom suit so he can save the city but Felicity fears he is heading down the same path as Oliver and tries to pull him out of the lab.
Peggy faces the full fury of Leviathan, as Howard Stark makes his return.
Jimmy conjures up a bold plan to solicit new clients, but has to face the consequences when the scheme strains his relationships with a rival firm.
Jimmy conjures up a bold plan to solicit new clients, but has to face the consequences when the scheme strains his relationships with a rival firm.
When an astronaut, training for a trip to Mars, is mysteriously killed inside a Mars simulation, Castle and Beckett don spacesuits to investigate. But when they discover no one inside the sealed simulation could have committed the murder and no one from the outside could get in, the case takes a shocking turn
When Mike takes a humanitarian case with the potential to jeopardize firm business, Harvey must decide how much to rein in his associate. Meanwhile, Jessica wrestles with the distance she’s been forced to put between herself and Jeff Malone. And Louis fights to get the respect a name partner deserves.
Clarke begins to question Lexa’s leadership decisions. Abby struggles to help an injured Kane. Indra continues to push Octavia. Meanwhile, at Mount Weather, Jasper steps up into the role of leader, and Cage throws Maya into a life threatening situation.