To the student nurses at The Nightingale hospital, the ward sisters are heartless and frightening, with impossibly high standards. But the sisters have troubles of their own... Violet The new night sister is not all that she seems. Who is she and what dark secret is she hiding? As the mystery deepens, Sister Wren is determined to find out the truth. Dora The student nurse is struggling with her own secret, and with her heartbreak over Nick, the man who got away. A new arrival on the ward brings the chance to put a smile back on her face. But can she really get over Nick so easily? Millie Dora's fellow student is also torn between the two men in her life. But then an unexpected friendship with an elderly patient makes her question where her heart - and her future - really lies. As the nation mourns the death of King George V, it seems as if nothing is ever going to be the same again, especially for the women at the Nightingale.