The company soldier Hannah and the scientists Gavin and Dimitri are researching an algae project on board the Rubikon space station, which is supposed to permanently supply humanity with oxygen and food. But suddenly the earth disappears below them in a brown, toxic fog and all contact is broken off - are they the last survivors of humanity? Should they initiate the safe station, dare the return flight and thereby risk their lives?

Sandra, a pub landlady, meets Otis, a travel agent. The two initially clash as they learn more about each other from overheard phone calls than they would like. But they get talking, discover an amazing affinity and find each other to be valuable love advisors for their personal relationship problems. When Sandra's husband Christian meets Otis' best friend Bill by chance one day, the emotional chaos is perfect.

Three close friends discover a forgotten menstrual ritual in an old book. In an Italian cove near the hometown of Saint Maria Teresia Albrici, numerous female pilgrims are said to have menstruated together in the sea during the Middle Ages to experience a special bond. Without hesitation, the young women set off on a road trip to Italy. "And the whole world turns red, red, red," they sing together into the night.

A power failure puts three households in a state of emergency. In the first flat they were just about to start a party, now they are all sitting together by candlelight. In the neighbouring flat, the residents see their conspiracy theories confirmed - after all, they have been preparing for this moment for years. And while one floor below a young man is drowning his lovesickness in vodka, there is someone else stuck in the lift.