Alina Miller and Giselle Kavinsky have been best friends since they could first remember. They were, as people would say, attached at the hip, and undoubtedly inseparable. However, as the girls grow older, Alina finds herself a newfound attraction to a certain someone who was sworn to be off limits -- Giselle's twin brother, Peter. He's got the looks, the charm, and is great with the ladies. He's always watched over Alina in a protective way, but when they've reached their senior year in high school together, feelings start to catch on and secrets start to build up. Find out how their secret love unfolds in "forbidden."