Sea levels are rising rapidly, causing major damage to the coastline and dividing the population. Failing climate policies cause desperation amongst the younger generation as they decide to take matters into their own hands. Astrid Franken must step up to turn the tide after a minister is killed in a terrorist attack. As deputy prime minister, she is trying to keep the country and her family together. Her husband Victor, a brilliant and controversial scientist, has a secret that is weighing on their marriage. And her teenage son, Adam, seems to know more about the terrorist attack than he is letting on.

As the threat of the sea increases, Astrid must do whatever she can to save a country that is in danger of falling apart, just like her unusual family.