Y/n and miles grew up together, they have become inseparable they were each other's first everything, on the day their parents die both felt devastated, they knew that they only had each other. When they got older their relationship became even more stronger, their love grew stronger everyday. What happens when the new nanny brought along her daughter that is the same age as them. Y/n knew she was head over heels in love with him so she made a plan to destroy her.