Irish town au. When Mai moves to the quiet Irish seaside town of Carlingford, she sees her life as dreary and unexciting. However, when a string of murders occur, Mai finds her life filled with more excitement than she bargained for...

Sequel to Amnesia. When SPR take on a case involving a strange relic, they are dragged into a perilous mystery that stretches back twenty years into Lin's past. The group must follow the artefact's bloody history and prevent a new enemy, who will stop at nothing to unlock the relic's dangerous secrets, from exploiting the artefact's dark potential