Movie Trailer for 'The Ninth Gate' - Certificate 15 Dean Corso (Johnny Depp), a rare book dealer was appointed by a renowned book collector Balkan to verify the authenticity of one of his book. According to sources, only three copies of that book exist but in three different places. After losing his friend who was killed for that book, he left for the mission. He wanted to testify Balkan's book but found something else! During his dramatic journey through Paris and Madrid, too many things...