Separated from her controlling husband, romance author Zoe Swan meets a charismatic art history professor on the beach and begins a torrid affair. But who is he really? By the time Zoe finds out, she's on the run with her husband, his jewel thief brother, and a priceless painting stolen from the Isabella Stewart Gardner Museum. With the FBI and the murderer in pursuit, the trio heads to Boston. The only way to prove their innocence is to make a deal with the very people who want them dead.