Alex searches for Julian's key in the hopes of recovering it and establishing an alliance with the ruler of New Delphi. Meanwhile, Michael realizes what Laurel must do for the sake of the town's celebration, and Claire asks the city engineer for help when Zoe escapes captivity.moreless
While Alex, Noma, and Pete are taken to New Delphi as prisoners, Claire turns to Arika for help to discredit David. Meanwhile, Michael realizes that the faith of Mallory comes at a high cost.moreless
Claire orders the bombing of Gabriel's eyrie, despite the knowledge that Alex is being held captive inside. He and Noma escape the devastation and make their way to New Delphi. Meanwhile, Michael is intrigued to find a small town apparently protected by the power of faith.moreless
Alex and Gabriel finally meet face-to-face and decisions are made. Meanwhile, Michael learns of Becca's secret anti-angel plans, William is exposed as a Black Acolyte, Gabriel and Uriel learn that Claire is pregnant with Alex's child, and Edward leaves Vega.moreless
Alex is called upon by Michael to help prevent any further casualties after innocent higher angels turn up dead in Vega; at the same time, Gabriel causes tension by revealing a long-hidden secret; William "re-educates" his father; and Noma reignites an old flame.moreless
Alex captures the angel possessing Claire's mother and vows to use his powers as the Chosen One to evict the lesser angel from her body. Meanwhile, David learns of William's leadership of the Black Acolytes, and Edward makes a deal of his own with Arika.moreless
While Alex trains with Michael, David engineers a vote of no-confidence against Edward and finds himself up against Claire.
News spreads in Vega about Alex's status as the Chosen One, causing a panic. Meanwhile, Gabriel launches a new initiative in his quest to destroy Vega.
While Alex travels out of Vega to explore his past, David and Anika form a new alliance and Claire must make a choice.
While Edward covers for David after the angel attack on Vega, Alex rejects his role as the Chosen One. He begs Claire to leave with him but she refuses. Meanwhile, Michael tries to negotiate with Gabriel.moreless
After a apocalyptic war between Angels and Man, humanity takes refuge in fortified cities and survive with the help of the archangel Michael, who sides with them against his former comrades. As the angels prepare a new assault, Michael must seek out the Chosen One, the one human destined to lead humanity and end the devastating war with the angels once and for all.moreless
A professor is humiliated when an internet dating video she made is posted on a scurrilous website, and is found dead the next day, having apparently been reading about a property developer who sought to acquire land from the college. Neither the boss of the dating agency nor the website founder proves cooperative, but Lewis is unconvinced that the woman's death was a suicide. A second death appears to confirm his suspicions.moreless
Cat can't still make up her mind between Frankie and Sam. Tess has a new job, a new girlfriend and new flatmate, Lexy.