(Book Two) Tegwen Gittins has dodged Death on more occasions that she can count on both hands. Her time in New York City only added to the count but it allowed the woman to heal as she came face to face with an old classmate, Newt Scamander. Old wounds were reopened but were able to begin healing properly as she was able to confront a large part of her past. Returning home, Tegwen is trying to get her life back in order. Living with her fathers until she is ready to get back to work, Tegwen is enjoying the quiet life, allowing Freudrick the Hungry Plant to settle in the gardens, when a familiar face shows up one afternoon. Newt Scamander is back after finishing up his manuscript and he comes with a request. A request for Tegwen to join him on another adventure with an offer she can't refuse.

Three months after the infamous Gellert Grindelwald escapes during his transport to Azkaban, the Ministry of Magic finds themselves in yet another uproar, when a witch that was said to have gone missing over a decade ago, washes up on shore alive. Theseus Scamander is the Auror called onto the scene when he discovers that the woman is an old classmate of his, Tyne Ayers. Her skin is marked with scars and burns and yet, she refuses to speak, and the only indicator they have towards any answers, is the coat of a seal lying at her feet. Knowing the ways of the Selkie, Theseus collects her coat and by doing so, Tyne is bound to follow him. She is placed under his care, however, Theseus takes it upon himself to call upon his younger brother for help. Newt Scamander has never been known for his communication skills, but under the circumstances, Theseus believes his brother is the best person for the job. However, the timing couldn't be worse, as the events surrounding Grindelwald drama continue to unfold, roping both brothers in. But it seems Tyne's story may be more involved than they were aware of.