The synopsis of the series Safe says that an expensive jewel has been deposited in the safe of Gholam Hossein Parvaneh's house, and a number of people are determined to steal it. One of them is a young man from the city named Gholam Reza, who is under pressure from a group to do this. In order to gain access to the safe, he rents an apartment in the complex where Parvaneh lives, and gradually falls in love with Mr. Parvaneh's daughter.