He vanished without a trace. Now he holds the key to saving the world.

Ruby Jones has no interest in second chances–or forgiving the boy who abandoned her, taking her heart with him. So when CIA agent Rafferty Blackheart crashes back into her life, walking away is the only option. But Rafe isn't just her past—he's the key to stopping a biological nightmare already set in motion.

Rafe didn't come looking for Ruby. But when his dead partner's final message leads him straight to the girl he left behind, he knows fate isn't done with them yet. The threat they face is ruthless. Global. And it starts with a child caught in the crosshairs.

Time is running out, and Ruby and Rafe must join forces—no matter the wreckage between them, the heat they can't control, or the trust lost.

Because what's coming won't just destroy the present. It will erase the future.

Grab the second pulse-pounding installment in this gritty romantic thriller series today.

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The Guardians Series

The Bequest (Book One)
Blindsided (Book Two)
Hallowed Ground (Book Three)
Pieces of Eight (Book Four)
Dust to Dust (A Guardians Series Novella)
Foul Play (Book Five)