Painkillers (2014)

Casper van Riel is raised by and bare the surname of his single mother Marit, who never told who his father is. She gets major cancer, his buddy helps him look from clues i her things for his father, finally settling on international photographer Robert van Laren, but hesitating to tell him, which Marit never did. He's pianist in the same youth orchestra as his girlfriend Anouk, even had the director accept a symphonic composition he dedicated to her, but is barred from the Prague concert for missing too many rehearsals.