Oskar, das Schlitzohr und Fanny Supergirl

The film follows Grandpa Oskar, who has just been released from prison and seeks refuge in his daughter Tilda's garden. His arrival complicates family relationships, especially with his autistic granddaughter, Fanny. Unlike Oskar, who has a lighthearted approach to life, Fanny is serious and determined to succeed in her school talent competition.

As Oskar navigates his new role, he introduces himself to Fanny as Professor Krypton, a fictional mentor from the Superman universe. This playful deception brings the two together as they bond over Fanny's love of superheroes. The film creatively showcases the challenges and joys of their relationship, highlighting the importance of trust and understanding in a family facing adversity.