"Ninja Assassin" is a 2009 action thriller film directed by Shim Hyung-rae and written by Shim Hyung-rae and Park Joo-ho. The movie stars Rain, Amber Heard, and Ji Chang-wook.

According to various reports, "Ninja Assassin" was available on 9xMovies, along with other pirated copies of movies. The website allegedly hosted a high-quality copy of the movie, which was downloaded by users worldwide.

The story takes place in South Korea and follows a young ninja named Raizo (played by Rain), who escapes from his clan and seeks refuge in Berlin, Germany. However, he is pursued by a female ninja named Kaela (played by Amber Heard), who is determined to capture him.