Book 1 of The Gangster Series. Childhood sweethearts sina Zac at Nathalia. Pero nagkahiwalay sila dahil sa isang dahilan na pareho naman nilang hindi ginusto. Pagbalik ni Nathalia, wala na ang zac na nakilala niya. Bacause Zac had an amnesia and all the memories that they shared were erased..