In an expensive boutique on New York's Upper West Side, a young salesgirl is persuaded to open the door to her death.

In the chaos of a police station, ambition and sexual politics raise the stakes of solving a vicious crime.

In his office, a famed psychoanalyst hears a sister's tale of emotional terrorism and madness.

For April Woo and Jason Frank, suspense fiction's most engrossing detective team, the clock is ticking on another brutal killing.