In the isolated beauty of southern Ireland, Jen works as a conservation ranger in the same woods where, years ago, her younger sister lost her life in a tragic accident. The sudden return of Oscar, a boyfriend from her distant past, stirs memories long buried, forcing her to confront their shared history. As a poacher begins leaving violent traces across the land she protects, the line between past and present starts to blur and Jen has to face what’s been haunting her all along.