At the start of high school, Piper, Sophie, Isabella and Honor think they will be best friends forever, so they sink a time capsule in the lake with a list of things they want to do before graduation. By senior year, they have gone their separate way...
An uptight New Yorker and his party girl sister visit their Dad's lake house to meet his new wife, and rough-around-the-edges kids. When the parents announce they're adopting a child to bring the family together, it has the opposite effect....