A comedy that follows two high school students -- one overachiever struggling to write his valedictorian speech, the other a senior now going on his 15th year of school.

For siblings Brie, Daniel, Crew, and Jess, family has always come first. But when Crew (Daniel DiTomasso) invites his girlfriend Sara (Kate French) into the family, distrust begins to bubble between the siblings. Seeing Sara as a threat, Brie (Fiona Dourif) grows spiteful and increasingly suspicious that she is being replaced. That is, until the night Crew attempts to murder her in their family house. Traumatized, Brie is sent to a mental facility where she is tormented by hallucinations of Crew from the night of the attack. But when the visions begin to bleed into reality, Brie starts to fear that it’s not just her sanity that’s in danger, and she flees the facility. In a frantic attempt to return to her remaining siblings and warn them, Brie begins to uncover a trail of gory, sinister secrets that lead her to believe that she might not know her family as well as she thought.

Charming LA architect Harrison, also a great cook and lover, gets engaged to Cate, a San Francisco landscape architect he meets while collaborating on a major project, after they get locked in by a malfunctioning elevator. She moves to LA for him and volunteers, while he's on mission in Tokyo, to mind his widowed mother Evelyn, still a major force in his life. However Cate gets paranoid when feeling weak and hearing rumors that his former girlfriend disappeared mysteriously years earlier, even cancels the engagement. Then the truth gets out, clearing Harrison and uncovering a lurking danger.