The resistance offered to the Yazidi force in order to secure the captives of Karbala and the sermons of Bibi Zainab (s.a) and Imam Sajjad (a.s). Remember this is an arab made film and some of the details may differ.
In the era of Hazrat Musa (a. s) a person “ Amil” was murdered on his wedding day. To solve the mystery god ordered to sacrifice a cow and by the grace of god he got alive and identified his murderer. Watch the movie for more interest.