January 1939. When young Amy Rowlings meets Detective Sergeant Bodkin at the scene of a robbery on the way to work at The Mill, she is blissfully unaware of how much her life is about to change. She is drawn into the murky world of murder when the body of Edward Handsley is found lying on the floor of the factory. Edward, a libertine, philanderer, the son of the factory owner George, a young man with many enemies, many of them female. Bodkin is new to the area and Amy soon becomes an invaluable source of information. But when a family friend, Adam Smethwick, is arrested, Amy sets out to prove his innocence. Amy's burgeoning relationship with Bodkin is pushed to the limits as the detective becomes even more convinced that he has arrested the right man . . .