Fool Me Once by Fern Michaels

Olivia Lowell always believed her father's claim that her mother died in childbirth, until the shocking day a lawyer informs her that her mother has just passed away, leaving her a fortune. The money comes with a caveat--and a confession. In her will, Olivia's mother reveals that she and two college friends committed a crime years ago, and now she wants Olivia to track down her accomplices and convince them to come clean. Fulfilling her mother's request won't be easy--nor will mending the rift between her and her father. But with a handsome young lawyer's help, Olivia will come to understand who her mother really was, and who she, too, was meant to be...