Does anyone know this short film?

this is a short film there are two adults and a little girl one of the adults has the other one tied up in a garage and kills them and at the end of it the little girl starts walking down the stairs in her pajamas and the killer walks in and sees her and goes up the stairs and at the very end you see the little girls teddy bear rolling down the stairs i'm pretty sure this film is fairly new and I seen it on youtube but I can't remember the name