Jonathan begins his reign of vengeful terror as the Shadowhunters try to find a way to stop him. With only one hope, Clary must make a sacrifice that could have long-lasting implications for all. Meanwhile, wedding bells are in the air for one special cou

Clary comes up with a plan that will bring Shadowhunters and Downworlders together, as Alec struggles for a way to help Magnus.

Alec, Jace and Isabelle make a plan to finally get Clary back and stop Jonathan—much to Luke's and Simon's chagrin. Meanwhile, an emotionally raw Magnus struggles to deal with his father's reappearance and Maia must make a tough decision that could affe

To try and save Clary from Jonathan, Jace goes undercover. Back at the Institute, Isabelle, Simon and Luke race to find a way to finally destroy Clary's bond with Jonathan. With time running out, can Isabelle create the solution before Jace's cover is blo

A demon outbreak in New York City on Halloween becomes a top priority at the Institute, but as the Shadowhunters hunt the demons, Jace becomes more worried about Clary. Meanwhile, Alec has to juggle the outbreak with his deep concern about Magnus' depress

Simon and Izzy team up on a secret mission to figure out what the Clave is hiding. Meanwhile, Clary is conflicted about Jonathan as the Shadowhunters try to get answers.

Clary and Jace come up with a risky plan to get rid of her twinning rune, which may bring an old enemy back into the fray. Meanwhile, Alec is worried about Magnus.

As the saying goes, "rules are made to be broken". But what if the rules are there for a reason? Several members of the team must examine the reasoning behind certain rules after consequences to questionable actions come to light. Whether the rules were b

Continuing to track down information on the rumors about misconduct at The Clave's downworlder prison, Isabelle asks Alec for help. Meanwhile, Magnus succumbs to asking Lorenzo for a favor and Jace takes Clary on a special date.

Jordan and the Praetor try to track down Heidi, while the Shadowhunters try to locate Jonathan. Meanwhile, Luke looks to Maryse for help and Isabelle gets a possible lead on information on what is really going on in the Clave prisons.

Simon is determined to get rid of the Mark of Cain and, with Isabelle's help, tries to track down New York's oldest vampire to get more information on the mark. Now in Paris, Clary desperately tries to find an escape from her current situation. Meanwhile,

Everyone is dealing with the loss of Clary and are trying to move on best they can. Unbeknownst to them, the Shadowhunters face a new level of evil that they can't even imagine with the arrival of Jonathan Morgenstern, the true form of Clary's brother. Wi

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 L

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.

Jace and Clary rush to make a final stand, but when a traitor is revealed, they may have a bigger fight on their hands than expected. Meanwhile, Alec and Izzy must fight off a large mass of demons that have unexpectedly shown up.

With Valentine and Sebastian on the loose, the Downworlders come together to make a surprising choice.

After a devastating attack at The Institute, everyone is on high alert as the Shadowhunters close in on their hunt for Jonathan. Meanwhile, Simon and Maia help a new downworlder as the Seelie Queen demands an answer from Magnus and Luke.

Clary and the team search for the final Mortal Instrument, whilst Isabelle fears Max is growing up too fast. Maia struggles with her feelings for Simon.

Clary and Jace go on an unsanctioned mission, whilst Maia helps Simon with his Yom Kippur family dinner.

Simon goes down a dark path while Alec and team prepares to transport Valentine.

Alec has big plans to mend fences with the Downworlders; Jace and Clary are summoned by the Seelie Queen.

The Institute's leaders fear a Downworlder uprise when Shadowhunters begin turning up dead at an alarming rate.

Clary feels pressured between choosing Jace or Simon. Izzy settles things with Raphael. Sebastian breaks his father out of prison

The downworlders retaliate after Valentine's attacks. The New York institute deals with the repercussions Valentine caused. New faces immerge from the shadows to help the Shadowhunters.

With the fate of the Downworld hanging in the balance, Clary and Jace face Valentine in the ultimate confrontation.

Alec introduces Magnus to Max during the big Rune Ceremony. Simon makes a bold move as Isabelle finds an unlikely new ally.

Clary and Luke find themselves at odds with the arrival of Luke's sister, Cleo.

Clary and Isabelle are sent on a mission to meet the Iron Sisters in order to find more clues about Valentine's plans.

Clary takes desperate actions after the attack on the Institute.

Clary continues to struggle with the new Shadowhunter order as Jace is being held in the City of Bones.

Everyone is on the hunt for Jace, but all for their own reasons.

Clary struggles to find where she belongs, whilst Simon seeks Magnus' help.

The Institute is in upheaval after Jace departs with Valentine. Clary, Alec and Isabelle are desperate to find Jace. Jocelyn has a lot to catch up on, now that she's awake.

Struggling with the revelation of their shared pasts, Jace and Clary avoid close contact while working with Magnus to track down warlock Ragnor Fell, who may hold the key to waking up the comatose Jocelyn.

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With the knowledge that Valentine is alive and on the hunt for The Mortal Cup, the Institute is on high alert. Not wasting any time, Jace jumps into action and figures Clary's memories are ...

Clary Fray is thrown into the world of demon hunting after her mother is kidnapped, and must rely on the mysterious Jace and his fellow Shadowhunters Isabelle and Alec to navigate this new ...