After signing up for work experience at Sevelin Laboratories, Tanya and Ram find themselves thrust into the world of medical research. But dark secrets lie at the heart of Sevelin Industries – and not everyone can make it out alive…When a talent scout arrives in Shoreditch, Ram sees an opportunity to further his goals, whilst April strikes up a friendship with new boy, Thomas Laneford. Their choices draw all three to Carterhaugh House – but who is the mysterious Mab that waits for them there…?