Short Answer 
Bhadra, the daughter of the Sun god Surya, falls in love with the sage Kach, who does not return her feelings, leading her to curse Lord Shiva out of anger. To restore cosmic balance, her brother Shani Dev is compelled to make the difficult decision to end Bhadra’s life, illustrating the necessity of emotional control and prioritizing divine duties over personal emotions.
Step 1: Understanding Bhadra’s Background
Bhadra, also known as Tapti, is a significant figure in Hindu mythology, recognized as the daughter of the Sun god, Surya, and Chhaya. She is the sister of Shani Dev, who represents justice and discipline among the Navagrahas (nine celestial bodies). Her lineage highlights her connection to powerful deities and sets the stage for her emotional turmoil.
Step 2: Bhadra’s Unreturned Love and Anger
In her life, Bhadra developed intense feelings for a sage named Kach, who unfortunately did not share her affection. This lack of reciprocation led Bhadra into a fit of rage, prompting her to curse Lord Shiva. The potency of her curse signifies the weight of unbridled emotions and reflects the consequences of anguish and despair.
Step 3: Shani Dev’s Difficult Decision
To restore cosmic balance and prevent further chaos caused by Bhadra’s curse, Shani Dev was faced with the painful choice of ending her life. This action underscores the importance of prioritizing divine duties over personal conflicts. The story ultimately reinforces the significance of emotional control and the necessity of upholding cosmic order even amid profound personal challenges.