"Lake," the Season 2 finale of American Horror Stories, focuses on a grieving mother (Alicia Silverstone) investigating her son's disappearance in a haunted lake holding secrets of ancestral murder. The episode concludes with the revelation of a generational cover-up, resulting in the supernatural punishment of those responsible. For a detailed breakdown of the finale, visit Screen Rant . American Horror Stories Season 2 Episode 8 Ending Explained