He sees dead people... and they annoy him.

Bertram Pincus, a cranky, people-hating Manhattan dentist, develops the unwelcome ability to see dead people. Really annoying dead people. Even worse, they all want something from him, particularly Frank Herlihy, a smooth-talking ghost, who pesters him into a romantic scheme involving his widow Gwen. They are soon entangled in a hilarious predicament between the now and the hereafter!
In Ghost Town, consciousness is carried by the dead — a plane of “afterlife New York”. The story fights on E8 of the E0–E14 reality ladder, compressing death, grief, love, unfinished, afterlife.
Films fighting at the same level of reality, about the same things.
Other films that change a standing rule of their world — ranked first by those bending it at the same rung.
Other films that move a human interior onto the same kind of thing.
Charlie St. Cloud (2010)consciousness in the dead · spirit realm
Just Like Heaven (2005)consciousness in the dead · afterlife apartment
Lake Mungo (2009)consciousness in the dead · haunted suburbia
Always (1989)consciousness in the dead · spirit realm
Corpse Bride (2005)consciousness in the dead · spirit underworld
The Sixth Sense (1999)consciousness in the dead · spectral afterlifeThe same preoccupations carried by a different kind of thing — grief told through the dead, an animal, a machine.
Collateral Beauty (2016)consciousness in abstractions · death, grief
A Matter of Life and Death (1946)consciousness carried elsewhere · afterlife, death
Monster House (2006)consciousness in objects · death, grief
A Monster Calls (2016)consciousness in monsters · death, grief
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020)consciousness in monsters · death, grief
Meet Joe Black (1998)consciousness in abstractions · death, love