The Other Woman — Patricia Dixon

The man she trusted has been keeping a secret . . . A novel of psychological suspense spanning from England to coastal France by the author of Blame.
 
Rowan's days of being the other woman and waiting patiently for Alex are almost over. He's left his wife, and Rowan is finally within touching distance of her happy ever after.
 
When Alex is involved in a terrible accident, she rushes to him, fearing the worst. But as facts begin to emerge that cast doubt on the accident and the true nature of Alex's first marriage, Rowan is left devastated. And little does she know that a bigger shock is yet to come. Members of the criminal underworld are conspiring, and Rowan's family is in grave danger . . .
 
The Other Woman will take you on an emotional and turbulent voyage from the French seaside town of Boulogne-sur-Mer to the metropolis of Manchester, England, through the murky depths of a marriage that is steeped in secrets, riddled with lies, and laced with danger.