Reviewers from sites like Decider and Ready Steady Cut noted several hanging plot points :

: Evidence found at McGregor's home links him to the murder of Olga . While the case is officially "closed," Detective Sunday remains skeptical, suspecting Isabelle may have orchestrated the hits .

The full extent of Isabelle's involvement in drugging Julian the night of the original murder. The whereabouts of McGregor after he fled. 'American Gigolo' Episode 8 Recap: We Need a Resolution