Gage O'Neill is an all-around nice guy and an Adonis in coveralls. With a thriving automotive business, a gorgeous girlfriend, and his ADHD under control, life is pretty incredible. But when he loses a loved one, Gage's perfect world unravels. Prone to bad choices, he's desperate to quell his rash behavior. Thankfully, hiring a curvy mechanic is the one impulsive decision he's gotten right. Eden Sampario is destitute as a result of a confrontation turned violent with her former employer. When Gage mistakenly offers her a job, she readily accepts. But soon she wonders if she made the right decision. Resisting her sexy boss proves more challenging than an engine rebuild. Her only other option? Give in to temptation and risk not only her career but also her heart. Welcome to Big C's automotive shop, a place where more than cars overheat.