Most Haunted Live at Summer Solstice. The Most Haunted team do a 3 night investigation at Llanelli in South West Wales. Night three dated 26th June 2006 Most Haunted investigate Kidwelly Castle. At night three there is an experiment, another first on Most Haunted as Karl Beattie and Guest Psychic Ian Shillito are shackled from head to toe in the dungeon of Kidwelly Castle.