From the back of the core book:
"How can one person stand up for the helpless while warding off the apocalypse / Inside this gorgeous tome, we'll show you how.
Here you will find:
An introduction to roleplaying and the Angelverse.
A guide to character creation, including pre-constructed Champions and Investigators, as well as the entire Angel Investigations Cast, for your quick-play pleasure.
The Angel Unisystem, streamlined for cinematic action and adventure but detailed enough for the hard-core.
A rundown on not-so-normal abilities, from magic and psychic arts to demon abilities and supernatural powers.
Rules for creating special organizations-from law firms to detective agencies to hunter societies and more.
A guide to the people and places of the City of Angel.
An overview on the wicked, including vampires, demons, zombie cops, and other malicious miscreants.
Blow-by-blow instructions for creating Angel roleplaying Episodes, Seasons and Series.
A complete Episode to start the investigating right away."