Parviz and Maliha are a husband and wife who work in a museum in Tehran. One night, while the couple is busy with their duties, an unexpected event happens that puts them at a crossroads and can change their lives forever.

The story of Occasion, which takes place in the 70s, is the story of Rahim, who plans to go to Canada to continue his education, but he finds out that he is banned from leaving and this incident is under the control of Mohsen's uncle, so he must look for a solution...

A soon to be clergy man and his wife deal with the troubles of rising their triple children.