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.