Spooky DnD One-Shot Adventure - Spooky

The characters are a group of ghost investigators with a covered wagon, investigating a mystery. A characters is on a personal quest here.
It is at a dwarven city rooftops which is cursed ground.
There are a family of animalfolk seeking a spectre. And the spirit of a necromancer is trying to escape from a crystal ball.
At some point a desperate relative of a character arrives.
As the adventure progresses a series of hidden tunnels are discovered

The characters are a circle of spellcasters hunting for mirror.
It is at a derelict inn which has many strange lights.
There are local nobles and merchants holding a funeral. And a cult fanatic is seeking a way to pay a debt due tonight.
At some point someone finds a clue.
As the adventure progresses stars in the sky start to disappear

The characters are members of the local law hunting a criminal. Two of the characters have a bet about the evening.
It is at a treetop village in the woods which has a secret sacrificial chamber.
There are a pack of welcoming ghouls preparing for a feast. And a wight wants to recover a mithril amulet.
At some point it starts or stops raining.
As the adventure progresses a portal slowly starts to open

The characters are friends and family witnessing a wedding.
It is at an abandoned palace which is influenced by the upper planes.
There are a mix of friendly undead gathered for a masquerade ball. And the red princess wants to protect a ruined demiplane.
At some point it starts or stops raining.
As the adventure progresses there are hints leading to a great betrayal

The characters are members of a faction gathering for an initiation.
It is at a haunted shipwreck which is home to many snakes.
There are a family of doppelgangers attempting to contact a mysterious being. And a vengeful warlock seeks to burn everything to the ground.
At some point someone finds a clue.
As the adventure progresses a thunder storm grows in intensity