Angel (1999–2004)

A spin-off of Buffy the Vampire Slayer, Angel follows the vampire Angel as he relocates to Los Angeles and works as a private investigator confronting supernatural threats, personal demons, and the weight of his past. The series blends noir-influenced storytelling with serialized character arcs, exploring redemption, moral compromise, and the complexities of fighting evil in a modern city. Its mix of mythology, ensemble dynamics, and episodic cases gives it a distinct identity within late-1990s and early-2000s supernatural drama.

Från IMDB:
The vampire Angel, cursed with a soul, moves to Los Angeles and aids people with supernatural-related problems while questing for his own redemption.