The killer is finally revealed to be Kandi.
The killer escapes and is revealed to be a woman.
During the final performance of the opera the killer is revealed, and Betty must confront her past in a terrifying climax.
Each video featured a fellow character being interviewed over the death of Jenny - although the killer was still not revealed.
The killer is revealed to be Phillip, upset with his treatment by his father and the rest of the family, the forgotten child.
The killer is revealed as another boy who suffers from depression and is on medication, the taking of which he has stopped.
As she is gasping for breath, the killer is revealed to be her uncle.
When inside, The killer is revealed to be Eleanor.
Eventually everyone else ends up at the cabin and the real killer is revealed.
Each episode will cover another year in their lives until the friends gather for their 20-year high school reunion - and the killer is revealed.