In the 1700s, an Irish noblewoman, on discovering her husband has been murdered, drinks handfuls of his blood and composes an extraordinary poem. In the present day, a young mother narrowly avoids tragedy. On encountering the poem, she becomes obsessed with its parallels with her own life, and sets out to track down the rest of the story. A devastating and timeless tale about one woman freeing her voice by reaching into the past and finding another's.