We learned so much in season 2 episode 16 'Day of Atonement', especially about Sebastian's history. Clary and Jace went on an unauthorized mission in Idris to hunt down Valentine. Alec and Izzy uncovered a shocking secret that could have huge consequences for the Shadow World. Meanwhile, Maia and Simon bonded over an awkward family dinner. Catch up with Shadowhunters now, and check out our full recap of the thrilling episode below.
Maia comforted Simon.
Maia visited Simon in the boathouse, and found him in bed. He was clearly in a very low mood after his talk with Clary.
Robert Lightwood arrived at the Institute.
The Clave sent Robert to investigate how Valentine had escaped during the transfer to Idris. Alec expected to lose his position as head of the Institute, but Robert reassured him that he was still in charge.
Jace wanted Clary to help him search for Valentine.
His orders were to look for Valentine in New York, but Jace wanted to investigate a cabin in Idris where Valentine had taken him as a boy. At first, Clary was reluctant to go on a mission with Jace after what happened at the Seelie Court, but she agreed.
Clary created a portal to Idris.
Usually only skilled Warlocks are capable of making portals, but Clary did it with her ability to create new runes. After traveling through the portal, Clary almost drowned in Lake Lyn, but Jace rescued her.
Sebastian, who is really Valentine’s son, Jonathan Christopher Morgenstern, revealed that he was the one who freed Azazel.
Sebastian described how he had been tortured in Edom, a realm of Hell, where he was sent as a child. However, he also learned how to draw power from his demonic blood. Azazel helped him escape Edom and, in return, Sebastian summoned him to New York.
Maia insisted on going with Simon to his family's Yom Kippur dinner.
Simon wasn't sure it was a good idea, but Maia wouldn't take no for answer. She even introduced herself as Simon's girlfriend.
Jace and Clary got separated.
Clary was in serious danger -- Jace had warned her that the forest was home to a pack of feral Werewolves.
Alec sensed that something had happened to Jace.
Izzy and Alec were trying to figure out how Robert had convinced the Inquisitor to let Alec keep his job. Alec's hand started to hurt, and he realized that his Parabatai was in trouble. They looked for Jace and found portal shards in the library of the Institute.
Valentine explained why he sent Sebastian to Edom.
Valentine feared what his son was capable of, and noticed that Sebastian was beginning to attract attention. Sebastian had even killed a child, as an "experiment."
Robert figured out that Jace and Clary were at Lake Lyn.
Alec wanted to help Jace, but he understood that his duty was to stay at the Institute. Robert agreed to help Izzy get to Idris to save Jace.
The Angel Ithuriel appeared to Clary.
Ithuriel was in a younger form than when she last saw him. He told her that Jonathan was still alive but wouldn't tell Clary where to find him. Then he ascended into the sky.
Simon and his family got to know Maia.
She shared some of her regrets from her past, and in doing so helped Simon accept his changing relationship with his family.
Izzy caught up with Jace.
She told him that the water in Lake Lyn had hallucinogenic properties. Clary accidentally drank from the lake, and was in danger of losing her mind.
Robert told Alec about the Clave's secret.
The Soul Sword was lost after Valentine's attack on the Institute. Alec told Izzy, and she warned him that if the secret got out it might lead to the end of the Accords.
Jace and Izzy found Clary, but she didn't recognize them.
She thought her friends wanted to harm her, and she attacked them. Jace used his Angelic blood ability to activate his healing rune, and Clary snapped out of her confusion.
Valentine convinced Sebastian not to send him to Edom.
Valentine was holding the Soul Sword, so Sebastian knew his words were true. After seeing how proud his father was, Sebastian changed his mind about sending him away. Later, we saw Valentine and Sebastian together at his apartment.
Clary discovered the truth about her brother.
Jace, Izzy, and Clary arrived at the cabin, but they found it abandoned. They did, however, find some of Valentine's old journals and Clary figured out that Jace and her brother were both part of Valentine's experiments. She realized that Ithuriel had been talking about her brother, not Jace, when she was at Idris.
What do you think Sebastian and Valentine are planning? Tell us your thoughts in the comments.
And don't forget, you can rewatch season 2 episode 16 now.