Before the Mission Begins. When the Mission Ends, #2.5

A novella prequel to the When the Mission Ends trilogy. Before his mission began, he went home. 24 hours to say goodbye to his twin sister. Instead he found her. A girl that was nothing like the one he thought he knew. They have 24 hours. 24 hours before he deploys on an extremely dangerous mission. 24 hours together in a freak West Texas snowstorm. 24 hours that will have to get them both through the awful next year.
When the resident good-girl decides to take on the visiting bad-boy, 24 hours is all it takes to change their lives forever. This is the story of the 24 hours that no one knew ever occurred.until now. The timeline of this novella is set before the When the Mission Ends trilogy occurs, but this book is actually meant to be read between Book #2, Operation: Endeavor, and Book #3, Operation: Endurance.