My Brother, the boy next door

Joshua, a young teenage boy who lived next door, suddenly became more than acquainted with his neighbor's family as his mom was getting married to his neighbor's dad. In a fit of rage, he blatantly displayed constant expressions of denial and refusal to accept any form of family connection. All the while, Diane, keeps trying to make a meaningful sibling connection at the behest of her father. Will Josh and Diane finally find some common ground and be a new happy family? Or will the past they tried to keep hidden resurface and destroy the family they work so hard to build?