Story 1 - Bhishma's Death 

A short synopsis of the plot -

The first story has been picked up from the warzone of Mahabharatha. The fight between the Pandava and Kauravas. The fight between dharma and adharma.

Bhishma had the boon of death by will. However, his death was critical for achieving Dharma. So in the war zone of Mahabharata, Arjun who sought the guidance of Krishna - his coach, killed his grandfather Bhishma because he chose righteousness and dharma over convenience and adharma respectively