For eight years, some has been murdering women, following the same brutal ritual each time. The most recent victim doesn't fit the profile, but evidence links her to the others. Anna volunteers to go undercover to crack the case.
Langton allows Anna to spend an evening at the ballet with the prime suspect, a handsome actor on the brink of stardom. A discovery at the place where one of the victims lived helps Anna set a trap. Meanwhile, sparks fly between Anna and Langton.