Hannes Pralling, aged 15, lives with his family in a small flat in Munich. His life was ordinary, and he never imagined it would ever be any different. But one day, everything suddenly changes: an invisible force slows down the Moon, causing it to move closer and closer to Earth at an alarming speed.The consequences soon become impossible to ignore: devastating floods that destroy everything in their path. The mainland is no longer safe, so the Prallings team up with their neighbours, the Srithis, and prepare for the worst. Their plan: to escape towards the Alps when the floods arrive…