Heaven (2002)

Cate Blanchett stars as Philippa, a British teacher living in Turin, Italy, who has seen many friends, including her husband, fall victim to drug overdoses. Philippa has repeatedly contacted the police with information about Turin's biggest drug dealer but, complicit in his dealings, they have completely ignored her. So Philippa decides to dole out her own form of justice with a homemade bomb -- setting her off on a journey from young widow to fugitive on the run.