Final Secret by Cassie Miles

Her past will haunt both of them.

Gennie Fox’s first assignment for ARC Security is straightforward. Then her traitorous ex-fiancé shows up, a guest is murdered and her boss — former SEAL Noah Sheridan — gets caught in the cross fire of the case. Noah trusts the coolheaded army vet to help get to the truth, but is Gennie’s past wreaking havoc on what’s growing between them…or is something more sinister at work?