By day, Fiona Fine is a successful couture designer, catering to the high society players of Bigtime, New York. By night, she's Fiera, a superstrong superhero who can create and manipulate fire with her bare hands. Fiera, along with the other members of the heroic Fearless Five, make life miserable for the ubervillains who want to take over the city.

But Fiona's personal life isn't so fine. She still misses her fiancé, who was killed by ubervillains a year ago. But men admire Fiona's smoking assets, and she decides to get back in the dating game – especially after she meets Johnny Bulluci. But this notorious playboy has plenty of secrets to go along with his sexy smile. And, with two new ubervillains in town who are intent on raising hell, Fiona's love life might just crash and burn ...