The Officer's Lover by Pam Jenoff
Ten years ago Jordan Weiss suffered the devastating death of her boyfriend Jared, a gifted rower at Cambridge. Since then work as an intelligence officer has taken her to the world's hot spots where she has faced terrible dangers. However, it's the thought of returning to England that haunts her most.
But when Jordan learns that her best friend, Sarah, is terminally ill, she transfers to the State Department's London office to be close to her.
In London, she and rakish agent Sebastian Hodges are assigned to an investigation into mafia activities that quickly throws Jordan into a whirlwind drama of lies, cover-ups and corruption. Who can she trust? As she desperately tries to pull the pieces together, secrets start to emerge that are strangely connected to her past and will ultimately shape the course of her future . . .