Jane Fonda and Lily Tomlin star in “Grace and Frankie,” the new Netflix comedy which deals with life after divorce for mature couples. But there’s a twist to the end of their relationships: Robert (Martin Sheen) is leaving his wife (Jane Fonda) for his law partner Sol (Sam Waterston), whose wife is Frankie (Lily Tomlin). The two men have carried on an affair for 20 years, while the two women have done all they could to avoid each other. You can read more here, and watch the trailer for the show.