Bayonetta, a witch who was revived twenty years ago from the bottom of a lake, has no memories of her past. Owning one-half of the "Eyes of the World," Bayonetta leaves for Vigrid when the informant Enzo informs her of rumors that the other half is there. She is capable of traversing between Paradiso and Chaos, the realms of angels and humans respectively, but not able to enter Inferno, the realm of demons. While at Vigrid, she encounter various angels from the Paradiso realm who attempted but fail to kill her.
The player controls a witch named Bayonetta, is able to use melee and long ranged attacks and is able to select multiple weapons. By pressing a combination of buttons, they are able to use "Wicked Weave" attacks and they are also able to use "Torture Attacks" in which Bayonetta summons a variety of devices to deal strong damage to enemies. Such devices range from chainsaws to iron maidens.
Source: Wikipedia, "Bayonetta," available under the CC-BY-SA License.