Fred. Olsen Cruise Lines is proud to introduce a very unique cruise experience for Summer 2015, aboard its 880-guest ship Boudicca, the like of which guests will never have seen nor heard of before! Fred. Olsen will be offering an exclusive sailing, created around secrecy and suspense, with Boudicca’s 16-night D1516 'Poison, Murder & Mystery Cruise', departing from Rosyth (Edinburgh) on 10th July 2015, linking the Duchess of Northumberland’s 'Poison Gardens' at Alnwick Castle – which starred as ‘Hogwarts School of Witchcraft & Wizardry’ in the Harry Potter films – and that of Mr. Fred. Olsen Senior in Guimar, Tenerife. Fred. Olsen unveiled this participative 'murder mystery' cruise at an exclusive VIP launch at The Tower of London, hosted by The Duchess of Northumberland and Mr. Fred.