Not content to merely work out the submerged marital issues between Max and Annie, the film sets up arcs for its other party guests: There's a potential romance between
dimwitted lothario Ryan (Billy Magnussen) and the British coworker (Catastrophe's Sharon Horgan) he's platonically brought along to help him win, as well as a lovers» quarrel between Kevin (New Girl's Lamorne Morris) and Michelle (Kylie Bunbury) concerning a celebrity hookup.