When Kat White was fifteen, she and some friends held up a store, and a security guard was killed. No one was caught. Sixteen years later, Kat (now Kate) is with the Philadelphia DA, and a single mom. She discovers that she is to prosecute Mario Castellanos, a friend from that terrible night. When Mario is found dead in her apartment, and another man who knows the secret gets involved, Kate finds that her life and her son's are in danger.

"When Riley Cowan finds her estranged husband Jeff dead in his palatial home, she's sure it's no coincidence. The police rule it a suicide, but Riley thinks someone's out for blood--specifically someone Jeff's father ripped off in one of the biggest financial fraud cases of all time. She suspects that someone is trying to send a message to Jeff's father: Tell me where the money is, or everyone you care about will die. Riley's in-laws might be billionaires,...