In June 2024, Kevin Costner is releasing what he has called his passion project, a Western film series called Horizon: An American Saga, and aside from being the first movie Costner has directed since 2003, it is also an opportunity for the iconic actor to make up for his last leading role in the disappointing 2020 film, Let Him Go. Horizon: An American Saga- Chapter 1 is the first of several Horizon movies to come. The films are said to expand over the course of 15 years, exploring pre- and post-Civil War America, and specifically, the settlement of the American West.
https://screenrant.com/horizon-kevin-costner-box-office-test/