16-year old Rhiannon falls in love with a mysterious spirit named “A” that inhabits a different body every day. Feeling an unmatched connection, Rhiannon and “A” work each day to find each other, not knowing what the next day will bring.

In the summer of 1989, a group of bullied kids band together to destroy a shape-shifting monster, which disguises itself as a clown and preys on the children of Derry, their small Maine town.