When Fereydoun's children put him in a nursing home, his ex-wife Shokoo takes him to her house although her new husband does not quite approve.
Couples after twelve years of life have now come to some sort of homogeneity in life.
Farrokh is a mid-aged man who lives with his brother Farid. They have a new family as their tenants but soon Farid discovers that they are alien who wants to research on Earth and send reports.
