The Unwanted

Two teenage siblings, Isabelle and Seth and their dog Sabrina lived together after their parents went missing. When their parents went missing, they never understood why. They were left home alone for three days while their parents went out for looking for a new house. The day they were supposed to come home is when a letter came in the mail.
It said
"Dear Izzy And Seth, The house that we came to looks amazing! We've seen some things that is unexplainable and amazing. We seen the reddest of roses, there was a room made just for the hot summer days, oh and the stairs tell a story from top to bottom! I wish you guys were here. But listen, the is not made for so many people but it could be if you were to visit. Looking forward t-" The note was cut off from here but the ending still remained. It said " We'll be back soon!

Izzy believe they were coming back and so did Seth. They Waited . And waited. and waited.