If it wasn't for Peter's untimely death at the hands of the Lady in the Lake, Hannah likely would've made it out of The Haunting of Bly Manor alive and hopefully could've ended up with Owen. Unfortunately, as a ghost, Peter is threatened by Hannah's interference in Miles and Flora's lives and takes control of Miles's body without his knowing. As Miles, Peter pushes Hannah down a well right before the group meets Dani for the first time. This means that Hannah is dead the entire time we see her and explains why she doesn't eat or drink.