All for Nothing: The ritual to summon Azazel proves to be this, as Alec thought that he kidnapped Isabelle, and ends disastrously.
Big Damn Heroes: Sebastian rescues Isabelle from a Greater Demon named Azazel, who is after the Mortal Cup.
Big "SHUT UP!": Jace yells one out to Valentine while punching him in the face to stop him from revealing to Clary that she and Jace aren't related, but Clary still persists, forcing Jace to come clean to her.
Everyone Has Standards: Luke is completely against Russell's suggestion to Turn mundanes in order to increase the number of members of their pack, as most of the others were killed by Valentine using the Soul-Sword.
Internal Reveal: Clary learns from Valentine that she and Jace aren't siblings. Alec already knows it by the beginning of the episode.
Poor Communication Kills: Because he found Isabelle's broken necklace, Alec gets to the wrong conclusion that Azazel kidnapped her, when in reality she was rescued by Sebastian who gives her shelter.
Put on a Bus: Aldertree was demoted and sent back to Idris to face reprimand for his actions.
Most of Luke's pack, fed up with his lack of leadership, follow tough member Russell to form their own pack with him. Maia, however, is the only one standing by Luke and does not join them.
Manly Tears: Jace, clearly coping with his role in the deaths of the Downworlders, is seen crying and turning to Alec, who comforts him.
What the Hell, Hero?: After finding out they aren't siblings, Clary chastises Jace for keeping the information from her.
