Callum Inkwell, a son of the founder of Inkwell Enterprises, works at one of his father’s companies has. He lives with his boyfriend Sydney, who is a bartender, and thinks life is perfect. That is until Callum loses Sydney in a freaky accident.Detective Declan Gallagher gets chills when he goes to talk to Callum about the freaky accident. It isn’t the accident that causes the chills but Callum, who reminds Declan a lot of a certain man called Killian O’Briain who he knows from a different time. About four centuries ago.Who is Killian and what does he have to do with Callum? And how is silver ink at the root of their problems?