Ruth Langmore, the third most important character in Ozark after Marty and Wendy Byrde, dies at the end of season 4, in the final episode, titled, A Hard Way to Go.

The season has a lot of weight in terms of setting the stage for Season 3, which turned out to be the best season of Ozark. There’s Wendy, who transforms from a reluctant accomplice to a strategist.