Semret a single mom works at a local Zurich hospital, she does everything to ensure a better life for her daughter Joe. When Semret was wrongfully accused at the hospital she stand up for her rights, so as not to lose everything she loves.
When his younger sister, a single parent, moves into the second apartment with her 5-year-old daughter Nina, an unexpected friendship develops between Josef and the uncared-for little girl.
On a hot summer day four groups sweat without realizing that the world is slowly ending.