The site where the old convent of San Francisco was located has been traditionally known as a source of paranormal incidents that have defied the logic and understanding of the people who have worked and lived in the buildings which now occupy its site. However, the ghost stories related to this space are as old as the convent itself and we have knowledge of them since the 13th century. Alongside the researcher Enrique Echazarra and the philosopher and art historian Isabel Mellén, we propose a route around this mystery epicenter in Vitoria to discover the history of this challenging convent through the testimonies about odd phenomena that haven been reported in its vicinity. History and legends merge to reveal the ghostliest side of the old convent of San Francisco.