Shadowhunters S03E12 Original Sin

Shadowhunters 3x12 "Original Sin" Season 3 Episode 12 Promo - 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, with his new sense of mortality, Magnus tries to live life to the very fullest.