Episode 1: On Infernal Ground
Clary struggles with keeping her secret about Raziel’s wish, while Alec pushes Jace to come clean about whatever Jace and Clary are hiding. Luke must use tough love to keep his secret hidden from Ollie who is on a warpath for answers.
Episode 2: The Powers That Be
With the institute under siege by a greater demon, tensions between shadowhunters and warlocks are higher than ever as Alec tries to remain in control of the situation.
Episode 3: What Lies Beneath
The Shadowhunters try to track down the new imposing threat, while Jace has a suspicion that Jonathan is back and behind the mundane attacks. Simon tries to figure out what the Seelie Queen did to him during his time in the glade. Alec decides to host a Lightwood family dinner at Magnus’ house after a surprising visit from Maryse.
Episode 4: Thy Soul Instructed
Jace’s concerns grow about his mental state and he turns to Luke for information on his family’s past. Clary and Izzy go after a rogue vampire and Simon hunts for a new apartment.
Episode 5: Stronger Than Heaven
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. Alec worries about the future of his relationship after learning more about Magnus’ romantic past.
Episode 6: A Window Into An Empty Room
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 to leave. Meanwhile, Izzy worries about dinner with her family and a special guest and Luke reaches out to Maryse.
Episode 7: Salt In The Wound
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 possible victim. Maia reflects on her past.
Episode 8: A Walk Into Darkness
Magnus, Alec, and Isabelle try to reach Jace inside The Owl, but even as powerful as Magnus is, can he help the Lightwoods retrieve their brother from his demon prison? Maia and Jordan join Simon on the hunt for Lilith, while Luke tries to find a way to get to Clary.
Episode 9: Familia Ante Omnia
Clary faces down an old foe in an attempt to find answers about Lilith’s plan. Alec and Magnus turn to Lorenzo Rey for help, while Lilith finds a new ally. Luke must choose between his pack and his family, as Simon is forced to deal with his past.
Episode 10: Erchomai
The team scrambles to find a way to put a stop to Lilith’s plan coming to fruition. But going up against their biggest opponent yet, their odds are not looking good. Meanwhile, Simon makes a heartbreaking choice with Isabelle’s help and Magnus reconnects with a powerful person from his past.