There had been rumours, of course. There were always rumours. It was entirely possible that they were nothing more than the best of friends. In fact, by now most people had accepted this, citing the lack of any evidence whatsoever that their bond was not merely platonic. But, Hermione realised as she watched Grindelwald lean in to whisper something into the king’s ear, this was not enough for her. She wasn’t the best spymistress of her age for nothing. She was going to find some evidence – or she was going to manufacture it.