Angel takes a confused young woman under his wing, both of them unaware that she's a secret project of Wolfram and Hart, designed to wreak havoc with her psychic abilities.
When a face from the girl's past arrives in Los Angeles, an explosive climax is assured.
Trivia: The scene where Bethany telekinetically blows out all the top floor windows of the Hyperion Hotel was acheived by the effects team filming a pane of glass exploding, then digitally mapping multiple copies onto footage of the hotel.
Darla uses Calynthia powder to keep Angel asleep when she wants to be with him.
Joss Whedon directed the episode. It's the first one he didn't also write or co-write.