Hawke’s Honor by Jen Talty

Hawke Wilson walked away from the love of his life after a devastating tragedy, choosing to never look back. He ignored every letter his ex-girlfriend sent, burying them—and his past—in a box while throwing himself into his work as a paramedic, firefighter, and Aegis Network operative. But when a 9-1-1 call turns into a nightmare, Hawke is forced to relive the worst day of his life. His world is shaken when he comes face-to-face with Calista Alba once more, but nothing could have prepared him for the revelation of his ten-year-old son.
Calista never intended to keep Hawke’s son from him, but when he left the Air Force and disappeared without a trace, she had no choice but to move forward. Still, she did everything she could to keep the memory of Hawke alive for herself and for their son. Now that fate has brought them together again, Hawke is determined to make things right. But when a dangerous investigation puts Calista and their child in the crosshairs, Hawke will stop at nothing to protect the family he never knew he had—and fight for a second chance.