When it comes to solving murder, sometimes the pen can be mightier than the sword ...

Handwriting expert Claudia Rose heads to the Big Apple at the behest of Grusha Olinetsky, the notorious founder of an elite dating service whose members are mysteriously dying. Drawn into the feckless lives of the rich and single, Claudia finds herself in a twisted world of love and lies fueled by desperation. But is one among them desperate enough to kill?

Claudia must find clues in the suspects' handwriting before more victims are scribbled into the killer's black book...