It has been six months since Lizzy Morris and her family paid a visit to HorrorLand, a horrific amusement park filled with many vile creatures and hideous attractions. Lizzy, her brother Luke, and his friend, Clay, are big fans of the "The Strange Report," a show hosted by paranormal investigators Derek and Margo Strange. While watching an episode featuring a boy named Evan Ross talking about his experiences with Monster Blood, Derek and Margo arrive at their doorstep.