This book unfolds across four intricate parts. In the present day, an old Jewish man seeking redemption visits a North London therapist amidst suspicions surrounding his involvement in an explosion at St. Pancras International Station. Police interviews with Eurostar survivors reveal unsettling connections and unanswered questions. The story then shifts to May 1985, unraveling the chilling payback for which the old man seeks redemption, as five individuals encounter retribution tied to their professions, marked by the ominous message "REMEMBER POLAND" written in blood or red paint. The narrative delves into Poland 1942, depicting the harrowing life of a young Jewish boy betrayed by his mother after his father's SS capture. In Auschwitz, the boy endures horrific acts, ultimately encountering Josef Mengele and a mysterious artifact linked to his capture. Liberation brings unexpected allies and a return to England. The final part reveals the truths of the Eurostar survivors and their actions in Paris, alongside revelations about other characters. Interspersed with diary extracts and newspaper articles, the story weaves layers of connections and subtle hints that challenge the reader to tie them together.