Inspired by Suchitra Bhattacharya's popular novel, 'Gaheen Hriday' is a story about love and choices. Sohini falls out of love with her husband Bhaskar and is drawn to Bhaskar's friend Anupam. Sohini's plan to divorce her husband and move in with with Anupam goes haywire when she comes to know that Bhaskar has cancer. What happens next is the crux of this heart-wrenching story.