Trick or Treat

It's late October, close to Halloween, it's a little after midnight, what happens when Aleks' close friends, Jakey, Michael and Jamie have him go into an abandoned mansion on the edge of town?

Warnings!
Shipping ahead! Beware!
And blood later on!

Ship spoilers!:
DexHD, Spoe, RoyalChaos and KootsNewz