In the Fade (2017)

Several years after he spent four years in prison for drug dealing, during which time he has studied business administration and gotten married, Kurds in Germany Nuri Şekerci lives happily with his German wife, Katja, and their 6-year-old son, Rocco. One day, Katja drops Rocco off at Nuri's office, a small travel agency in Hamburg where he also does translation and taxes, so she can spend the afternoon with a friend. Heading out, she warns a young blonde woman leaving her new bicycle in front of the store that it will get stolen if she doesn't lock it up. When Katja returns that night, the street is blocked off. A nail bomb has gone off, injuring dozens and killing Nuri and Rocco. Katja tells the police about the woman with the bike, which had a travel compartment.