Anxious brides. Drunken businessmen. Panicked partygoers. As Bigtime, New York's premiere event planner, Abby Appleby is capable of handling almost any crisis, but even she's not prepared when she finds herself in the middle of a fight between superhero Talon and his ubervillain nemesis Bandit. Abby manages to save Talon, but the superhero is temporarily blinded, so she takes him back to her loft, where the two wait out a snowstorm. During a blizzard that shuts down the city, Abby and Talon grow close, and he starts calling her Nightingale because of her love of music and singing.

But Abby is afraid of what Talon will think when he can see the real her, so she conceals her identity from the sexy superhero, and they go their separate ways. However, Abby discovers that Talon is looking for Nightingale, looking for her—and so is Bandit. The mercenary ubervillain thinks that Abby has information that belongs to his boss, the mysterious Tycoon. Abby knows that she's in serious trouble and that not even Talon—or the Fearless Five—may be able to save her ...