El remolque al borde del abismo

Harley knows her grandparents are sick, but what she doesn''t know is that the four of them will take turns going to the bathroom in their vacation trailer when she comes to visit.
None of it makes sense and sends her into a panic until her Nana, the last to make the leap, explains to her that the bathroom in their getaway home is not only that, but a portal to the afterlife.
For years they had been...