Hannah Fry, a professor of maths, is used to investigating the world around her through numbers. When she's diagnosed with cervical cancer at the age of 36, she starts to interrogate the way we diagnose and treat cancer by digging into the statistics to ask whether we are making the right choices in how we treat this disease. Are we sometimes too quick to screen and treat cance...。Sam's cases involve a series of revenge killings by a former Auschwitz prisoner| the mysterious deaths of teenage girls killed 15 years apart in Norway| a suspicious suicide and a beautiful Nun in a convent by the sea - very different stories, all employing Sam's expertise to the maximum.。