After the death of there mom and there dad getting arrested. Dipper and Mabel Pines are moving back to Gravity Falls. Catching up with old friends and making new friends on the way. Also they starting there first year of High School as freshman down at Gravity Falls High. Will more mysteries, drama, and romance awake for the 2 Pines. Will the 2 Pines survive Gravity Falls? But at High School.