It rises in pressure gradually

A cottage in the middle of the Black Forest to 4h walk to a busy road, the perfect place for a thriller.
David, his wife and their daughter will find themselves trapped in this house, but I can not say more. It would spoil the fun.
History therefore build up pressure gradually in right dose.
Where I was a little disappointed, it's the end too fast perhaps, compared to the rest. It is not fast in the direction of sloppy but we redemanderait almost bit more.