Fantasy One-Shot

The PCs are scarred criminals who must defeat a lucky family of sea elves. Two of the characters have fallen in love. It might involve goblins.
There is a talkative necromancer who has important information for them.
The characters start in a tavern brawl. At some point there is a chase scene. If things get stuck an ally turns up with useful information.
At the end there is an idyllic rural scene. Possible sequel... a foe returns more dangerous than before

The PCs are imprisoned entertainers who must escape from a dwarven magical laboratory. It might involve goblinoids.
There is a desperate poet who turns out to be the villain.
The characters start with the loan or gift of a powerful magic item. At some point they encounter a pit trap. If things are going nowhere a statue points them somewhere useful.
Afterwards there is a reward of lots of platinum.

The PCs are all from the same village who must survive an undead apocalypse. One or more characters is currently is carrying a disease. It might involve romance.
There is an old poet who offers them aid. they are the ex-lover of a character.
The characters start on the road about to encounter someone. Partway through there is a local festival. If things slow down a magic item develops new powers.
Afterwards there is a reward of another quest.

The PCs are powerful rulers of a city-state who must steal a golden necklace. A character is celebrating a special anniversary. It might involve lycanthropes.
There is an intimidating fighter who hates one of the characters. they are the lover of a character.
The characters start in a fight. Early on foes are waiting for them. If things are going nowhere something starts following the group.
At the end there is a reward of gems. Possible sequel... an evil organisation's plans were ruined and try to take revenge on the characters

The PCs are scarred orcs who must investigate the curse of a dwarven rod. It might involve spiders.
There is a vengeful undead who sets them the quest.
The characters start in a fight. At some point there is a wedding. If things are going nowhere a villain turns up.
It finishes with a reward of advancement within an organisation. Possible sequel... an ally becomes the main foe or threat