Book excerpt: When Gretchen Darrow awoke to a fi re in her New York City apartment, she also woke to firefighter Rick Pallucci-so cocky, so intimidating with his ice-blue eyes, and so ... built. The heat is Code 4: A weaker woman might have come unglued, but not Gretchen. This California chef moved east for one reason-a plum job at The Cooking Channel, and she's not letting anything distract her ever again. Or so she thinks ...