Alec doubles his efforts to find the Owl. Jace begins to fear his hallucinations may hold roots in his past and turns to Luke for guidance.
When Jace tells Clary he's considering turning himself into the Silent Brothers for treatment, Clary and Luke seek out to help him.
Clary and Magnus team up to find out more about the demon that attacked Clary, fearing its connection to the Owl.
With Magnus' help, Alec and Izzy make a dangerous attempt to rescue Jace.
Clary faces down an old foe in an attempt to find answers. Lilith finds an ally while Alec and Magnus seek help. Luke must make a difficult decision.
