Iran and Spain have agreed to launch a major project on the island of Hindurabi in southern Iran, and many companies and individuals have participated in the bid to win the tender. Engineer Saeed Parsa, who has been separated from his wife Roya Azdi for several years, is the head of one of the companies participating in the tender. Others are trying to win this crucial tender with different goals. Achieving success for the characters of this story leads to complexities in its narration.