Change your life - a Niall Horan fan fiction

Grace Collins is just a 20 year old girl living a regular life in London. She has a regular job, regular friends but what happens when she stumbles upon a blonde haired bad boy with his heart set on her? Will she find her self falling for the mysterious man she met one night? Can this daunting bad boy find a way into sweet Grace's heart? And most importantly: will he change her life for the better or for worse?