The Maze - ATCOM, #1

... A game of survival tests their will and their love. A mission she can't forget. The first female operative for the counterterrorism unit known as ATCOM, Atalanta Devayne is haunted by a former mission gone wrong. That mission led to her imprisonment, torture, and ultimate retirement, along with her loss of faith in the man she'd trust with her life. Brings his vengeance... Former Navy SEAL, Noah Kincaid, bears the responsibility of Attie's imprisonment and blames himself for not protecting her from drug lord Carlos Santiago.
This time he won't fail her. In a deadly game of survival. Santiago has resurfaced and set up an elaborate plan to exact his revenge on Attie by taking her brother hostage. The only way to save him is by revisting the darkness of her past and relying on a man she can't trust. In a battle of life or death, Noah and Attie are put to the test. They must face challenges to overcome the past and accept their feelings for each other before the danger that tore them apart seperates them forever.
Content Warning: Sexual content