"Oh, please. Do you think I don't love you? We're soulmates", Andrés had said, before leaving Martín to rob the Royal Mint of Spain with his brother Sergio. There he had died and Martín had grieved. But one day a mysterious letter showed up on Martín's doorstep that turned his world upside down. It led him to Vienna, where he would have to carry out a heist to save his soulmate once and for all. --- This story takes place between parts two and three of "La Casa de Papel". Rio hadn't been abducted yet, with the rest of the gang remaining in paradise.