Turning Points by Marina Landry

The warden’s daughter witnesses an officer sneaking food to prisoners, and negotiates keeping his secret. She didn’t bargain on the danger, or falling in love.
Lidia Hamaké’s curiosity compels her to accompany her father to his new post as warden of the rebel prison on Earth, the sparsely populated planet at the center of Unity’s orbit.
Lidia tends to fabricate her universe into what she wishes it to be and, despite her father’s objections, she looks forward to her evening walks where her imagination can run free. None of her fantasies are as incredible as witnessing the pompous young UPG officer Tomas Quaid giving supplies to rebel prisoners in the shadows of night.
Lidia agrees to keep Quaid’s secret. All he has to do is accompany her on her walks to appease her father. To her surprise, Quaid proves to be an intelligent listener who appreciates the fantastic stories she tells, and shows her more respect than anyone she left behind on the spacecolony Unity.
But Tomas Quaid is as good a liar as Lidia is. Falling in love with the enigmatic young officer soon becomes a dark maze of secrets and imaginary voices, and a matter of life or death.