S3, E14: While riding in the desert, Annie and Tagg meet Tim Lafferty, a strange old Irishman who claims to be searching for treasure with the help of leprechauns who followed him to America from the Auld Country. When a neighbor tries to gain possession of the Biddle family ranch by killing Eliza's brother, Tim proves invaluable to Annie and Lofty by helping them smoke out the killers.