Everything just went so fast. Everything was just so out of place in Cassie's point of view. After only a year after her mother's death, she finds herself living with a new family. Having a stepmom, a stepsister, and a stepbrother. The Styles. But what happens when after meeting your stepbrother, feelings start to develop. Cassie knows this is wrong. She can't fall for him! Not for her stepbrother! It's impossible! Or so she thought. But then Zayn Malik comes along. They have every right to be with each other, but what if Harry won't let them? Who will she chose? The "right" or the "wrong" love? But which one is which though? "All is fair in the game of love." Or is it...