Grace has always been the responsible one. After losing her parents, responsibility was all she knew-taking care of her younger sister, keeping her head down, never letting herself slip. No parties, no distractions, and definitely no time for love. It never mattered anyway. Love was something that never seemed to belong to her. Until now. What started as a simple tango class, just a chance to learn something she'd always admired, changes everything the moment she meets her. The instructor. Beautiful, magnetic, impossible to look away from. But falling for her is dangerous. Because she's married. She's forbidden. And she's the mother of her sister's best friend. Grace promised herself she would never risk her heart. But on the dance floor, with every step and every stolen glance, she's beginning to wonder if some loves are worth breaking all the rules for.

Leiya Pierce, 18, is finally back to her old self after falling into a deep depression after her twin sister Lilly died. She was ready to focus on her basketball career and finish high school on a good note. What happens when her new history teacher challenges her goal of having a peaceful senior year? 18 +

There's always that one thing that happens and turns your entire life around. It changes everything. It changes your perception of life, it changes you as a person. It could be a win, a loss, a tragedy or sometimes the coming of somebody in your life. The butterfly effect.