The Rain season 3 will pick up where the second season left off. Years after the rain decimated the population of Scandinavia, Simone and Rasmus find themselves at odds on how to save humanity. Rasmus wants to infect everyone with the same beta version of the virus that turned him into a superhuman, while Simone insists that there must be a cure. Will they manage to put their differences aside in order to do the right thing?