The summer solstice is far from just another day on the calendar in this supernatural horror from the Director of 'The Blair Witch Project'. After the unexplained suicide of her twin sister, high school graduate Megan joins her friends Zoe (Amanda Seyfried) and Christian (Shawn Ashmore) on a trip to her family's old lake house for a weekend of fun. But as strange things start to happen Megan suspects that her sister, Sophie, may be trying to communicate from beyond the grave.