"Two different worlds and two very different lives collide in Paris ... Joachim von Hartmann was born and raised in Buenos Aires by his loving German mother, inseparable from his identical twin. When Joachim moves to Paris with his mother in his late teens, his twin stays behind and enters a dark world. Meanwhile, Joachim begins training to be a butler, fascinated by the precision and intense demands, and goes on to work in some of the grandest homes...