Shadowhunters 3×20 Sneak Peek #3 “City of Glass” Season 3 Episode 20 Sneak Peek #3

Shadowhunters 3×20 “City of Glass” Season 3 Episode 20 Sneak Peek #3 – 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 affect the rest of her life.