With the help of a potion, Grace works her way into Adam's subconscious and soon finds that the House of Shadows has come to Dante's Cove. Diana, meanwhile, is finding it increasingly harder to resist the House's calls. Bro, frustrated by his loss of power, storms home only to find Kevin in a compromising position. Brit and Elena take the time to investigate an ancient box that Brit discovered at the bottom of the ocean. (thetvdb.com)