Liverpool, 1863: Newly arrived in England, wealthy liberals enlist Trinity, an escaped slave girl, in their campaign to abolish slavery and support Abraham Lincoln's Union. Jubal, a high-ranking Confederate officer, has just arrived in Liverpool to find supporters and raise funds for the opposing side. When Trinity discovers a high-stakes conspiracy there to help win the war for the Southern States, she must risk everything to stop it – including her new-found freedom. But who will believe a runaway slave? And who can she really trust?