What was the movie rings about?

"Rings" is a 2017 American supernatural horror film and the third installment in "The Ring" film series. The movie follows a young woman named Julia who watches a cursed videotape that causes the viewer to die seven days later. In an attempt to save her boyfriend from the same fate, Julia discovers a dark secret about the cursed videotape and a mysterious woman named Samara. As she delves deeper into the mystery, she uncovers a deadly game revolving around the cursed videotape and must race against time to unravel the truth before it's too late.