It is about a man called Soleiman Siraf who, according to historical documents, was the first sailor to cross the Indian Ocean to China. His route was then called the Maritime Silk Road and many merchants took that route to get their merchandise to China. One of the passengers in this film is a young man named Shazan Ibn Yousof who keeps a log of the voyage. The Maritime Silk Road started in The Persian Gulf and continued into India, Thailand and China.