'Ungrateful' is a romantic drama that takes place at the time of Moses and charts the stories, alliances and feuds between a number of Jewish tribes. Among other stories and subplots, it tells the story of two Jewish cousins, Ameel and Ashel, who both want to marry Anael, the beautiful girl of the tribe. But a murder disturbs the peace of their Jewish tribes. This film is inspired by the famous story of Moses' sacrificial cow.

Following an unrequited love, Peyman leaves Alma group which results in the collapse of the band.

Major Ahmadi is the Deputy Director of the Anti-Corruption Prevention and Combating Computer Crime Center, who has been involved with the complex case of a dengerous killer and a genius hacker named Jamshid Kazemi ,also known as Kamran bouryaei.