Jayson, a paramedic, and a firefighter, is in charge of getting his men ready for the pack test, a challenging physical requirement to be on the scene of a wildfire. His crew is underprepared and terribly out of shape. He needs someone who can get them fit, fast. He calls Lacy, the sexy personal trainer he's lusted after for months. She's willing to help, and the flirtation between them heats up. But one of the men in his crew, handsome Steve, is also interested in Lacy. Jayson's jealous, and works hard to win her attention in the gym and outside.