The Marks which once hath been- TDA

Emma and Mark have both found peace in their Lives. Emma, Living with Julian at Blackthorn hall in London, the two engaged, and Mark, with Christina and Kieran in both Faerie at the "Polyamorous Cottage" and partial residency at the New York Institute with Clary, Jace, Magnus Alec, Simon and Izzy. When Mark and Christina are in town with Emma and Julian, Emma and Mark reminice over dinner before being accosted by a dmeon, when the two wake up, they find they are in Los Angeles, less than a year before Mark returned home, with no Christina in sight.