Brotherhood of Tears (2013)

Gabriel Chevalier, a 45-year-old former policeman, struggles with unemployment and isolation, neglecting his teenage daughter, Juliette. His mundane existence takes a turn when he stumbles upon a lucrative job that requires him to deliver a mysterious briefcase to specified locations, with one strict rule: never open it. As he embarks on these enigmatic deliveries, Gabriel encounters an array of eccentric individuals and bizarre situations. Slowly, his instinct as a cop reawakens, pushing him to unravel the secrets behind the briefcase and confront the darkness lurking in his own life.