Based on a true story, Mridang depicts the story of Aditya, a young lawyer, and his wife Sonam, a modern thinker. Whilst everything seems to be fine between the two, Sonam feels hapless for not being able to bear a child and to make matters worse Aditya does not heed to her demand of completing a vow that his mother made to Lord Shiva. On a fateful night, Sonam meets with an accident and slips into a coma. In his desperate attempt to save his beloved wife, Aditya gives in to his wife's demand. Will he be able to save her?