6-year old Jan is absent-mindedly strolling through the streets when he's run over by roller-skating Nina. As fast as she has stormed into his life, however, she rushes off again. Nina is 15 years old and full of crazy ideas. She lives together with her brother, her father and his new girlfriend. Her mother isn't in touch much. That's why there is the unconventional Angel whose own daughter disappeared years ago and who is Nina's best friend and substitute mother.

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