Before they had names, they had initials. There was baby A, baby B, baby C and baby D – and their birth from a single egg in Lansing, Michigan, on May 19, 1930, was hailed as a modern-day miracle. No sooner had the quadruplet sisters taken their first breath than their notoriety had spread throughout America and the rest of the world. However, within just a few years, the ‘Morlok Quads’ – Edna, Wilma, Sarah and Helen – had become a freak show of the most sinister kind, orchestrated by their perverted, Nazi-sympathiser father. Many of the family’s darkest secrets...