Mia has an idea for a musical. The best thing is that this idea is to save the Leo Weiß School from the impending closure. But the "potato salad" staging about the past zombie apocalypse causes great confusion.

Group of Youtubers enter an abandoned surgery ward for 24-hour challenge, hoping to go viral. They will soon learn that they're not welcome.

Two brothers are having a concert but one of them falls in love with a girl, now it's going to be hard for the two to work together.

When a deadly zombie virus infects a school in Germany it remains on the student Leo to save the world.