Mahtab and Ava are classmates in their second year of college studying engineering. The story begin when they and other classmates go on a trip to Esfahan.Mahtab and Ava are classmates in their second year of college studying engineering. The story begin when they and other classmates go on a trip to Esfahan.Mahtab and Ava are classmates in their second year of college studying engineering. The story begin when they and other classmates go on a trip to Esfahan.