What happens in the seventh book of the Vampire Diaries ?

Damon uses Misao's star ball to go to the Dark dimension and become a vampire.Bonnie accidentally goes with him.But that's making Misao week because she is out of the power. She dies.Damon becomes a vampire again.Elena and Stefan are trying to find him while Meredith and Matt are staying in the town because Misao and Shinichi are planning to destroy the town that night. The person who told them to do that is Inari(Orime),Isobel's fake grams. Shinichi dies,Damon gives up his life to save Bonnie,Elena destroys Inari's star ball so Inari dies.Fell's church stays safe.