After the Dawn (2012)

A survivor of warfare born chemical attack, Cassie Becker faces a new world of terrible realization. The Human race has suffered terrible recourse in the wake of an attack that never should have been leaving the remaining inhabitants in a state far less then human. It has been six months since to the day in this new world of indescribable destruction and isolated fear. In search of the only person she holds dear Cassie must fight the onslaught of creatures once precious to her in an unstoppable journey to reunite.