The very big feelings. Hannah has lost her words. On the night her twin sister Izzy died. Who is supposed to continue her thoughts, finish her sentences, and complete her laughter? No one can do that. No matter what Hannah's parents try, she remains silent. To avoid letting go of Izzy, she writes her letters. Writes them and burns them. Over and over again. Hannah cannot escape the silence of her words. Until she meets Levi, who is determined to find out who she really is...