Garret's Gambit

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.

Stronger than he had any right to be after the plane explosion and still angry about it all, Garret's seriously unimpressed to fly to London to speak with an ex-fiancée who'd screwed him over with his own brother. But she had information on his missing brother, who was a link to the plane crash that sent Garret into the ocean.
Yet Astra, not Amy, waits in London for Garret, to explain the little she knows, hoping he'll let go of some of his resentment and help her look for her sister, Amy—who disappears just before Garret's arrival. Some coincidence there. Then her sister hasn't faced the music for any of her actions in a long time. Today is no different. Too bad Amy and Garret hadn't broken up much earlier. It might have given Astra a chance with the man she has loved since forever.

Still, if finding Astra's sister leads Garret to finding his brother, who might be able to give them answers regarding the sabotaged plane, then Astra's happy to play the game. However, it's not that easy, as the men who failed to kill the two team members are still looking for their chance to finish the job. And to take out anyone who is close by …