Engines snarl. Adrenaline surges. In the underground streets of Steelwater, the line between love and danger blurs at redline. Dani Lane didn’t come to Steelwater to be noticed—she came to disappear. Haunted by scars from her past and carrying secrets no one can ever know, she buries herself in the grease and grind of Ray’s Garage. With her rebuilt Yamaha R6 and the steady hum of a wrench in her hand, Dani is content to stay in the shadows, keeping her walls high and her heart guarded. Racing was supposed to be behind her. Safe. Buried. Forgotten. But fate has other plans. One reckless night, Dani finds herself back on the streets, throttle open, heart pounding, the roar of engines dragging her into the world she swore she’d left behind. And waiting for her at the finish line is Ryder Cruz. Ryder isn’t just a racer—he’s the racer. Known across Steelwater for his control on the pavement and his dominance in the underground scene, he’s as magnetic as he is dangerous. People follow him, fear him, admire him. But Dani? Dani doesn’t flinch, doesn’t fold, and when she takes him down in a race, she flips his world upside down. Intrigued, Ryder can’t stay away. Dani is fast, fierce, and completely unlike anyone he’s ever known. She challenges him, ignites something reckless in him, and threatens the walls he’s built around his own past. The harder he tries to keep his distance, the closer he finds himself drawn to her. Soon, what starts as rivalry burns into something far deeper. Between the sparks in the garage, the heat of stolen moments, and the thrill of racing side by side, Dani and Ryder discover a connection neither of them expected—one forged by speed, fire, and the unspoken understanding that both of them are running from something. But the past doesn’t stay buried forever. Old enemies circle. Loyalties fracture. And every time Dani thinks she can breathe, another shadow from her history closes in. As the stakes climb higher and the races grow more dangerous, she’ll have to can she trust Ryder with her secrets, her heart, and maybe even her life? Or will giving in to him mean losing everything when the checkered flag falls? Set against the neon glow of Steelwater’s underground racing scene, Redline Hearts is a high-octane romance about speed, loyalty, and the dangerous beauty of love that refuses to be outrun. It’s a story of found family, second chances, and the kind of connection that burns hotter than exhaust under city lights. Perfect for fans of Rebecca Yarros, Devney Perry, and Katie McGarry, Redline Hearts will leave you breathless, gripping the page as fiercely as Dani grips her handlebars. Because at redline, there are no brakes. Only the heart—and the finish line.