One man, one house, one night. THE LAST WILL AND TESTAMENT OF ROSALIND LEIGH tells the story of Leon Leigh, an antiques collector who inherits a house from his estranged mother only to discover that she had been living in a shrine devoted to a mysterious cult. Soon, Leon comes to suspect that his mother's oppressive spirit still lingers within her home and is using items in the house to contact him with an urgent message. As paranormal events mount, Leon comes to suspect that there is a darker truth to his deceased mother's religious convictions.