Heaven - by Tom Tykwer (2002)

Love, retribution and redemption. Devastated by her husband's death from a drug overdose, Philippa, a British teacher living in Turin, Italy, tries to bring justice to the biggest drug dealer in Turin when the local police ignore her information about him. In building a home-made bomb and setting off a plan that fails miserably, her status changes from young widow to that of a criminal in custody. Young police officer Filipo descends into Philippa's life, changing her bleak outlook on existence into one in search of tranquility among corruption, as they become unlikely soul mates and lovers.

IMDB info
Stars: Cate Blanchett, Giovanni Ribisi and Remo Girone
Production land: Germany | Italy | USA | France | UK
Run time: ~ 96 min