With the Owl’s identity revealed, Alec, Isabelle, and Clary head to Alicante to try and find a way to stop him. Luke and Simon team up to track Lilith’s latest…

Clary teams up with Magnus to investigate a recent demon attack. Simon is stunned with he’s visited by someone he never thought he’d see again, and who now won’t seem…

Someone is out to get Simon and Jace is on the hunt to find out who it is, meanwhile Clary turns to Luke to find a way to help Jace….

Jace’s concerns grow about his mental state and turns to Luke for information on his family’s past. Clary and Izzy go after a rogue vampire and Simon hunts for a…

Octavia fights in the final battle for her people’s survival, but not everyone is willing to play fair.

Jasper and Bellamy go on a quest. Meanwhile, Clarke struggles to keep the peace after word of Jaha’s discovery spreads.

Clarke’s arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.

Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.

Clarke makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people.

Jaha leads Clarke and Bellamy down a road to possible salvation while tensions rise in Arkadia and Polis.

The burden of leading weighs heavily upon Clarke and Bellamy when different challenges force them to determine who will live and die.