Mom, Dad and Her (2008)

Sydney is a troubled teen heading for trouble. After being caught shoplifting and a case of alcohol poisoning, Sydney's desperate single mother sends her off to the country to live with her father, Ben, and his new pregnant wife, Emma. Sydney misses her boyfriend, her city life and doesn't get on with her dad or stepmom. Slowly she starts to settle in as she makes friends with Jess, a local girl whose mother died of cancer. Sydney makes a couple of mistakes but after her grandfather's death the extended family start to heal.