Arun moves to Mumbai for a job as a software engineer. He meets (Kalyani Priyadarshan), a vibrant, independent Tamil girl who works in event management. Unlike his first love, Nithya is outgoing, modern, and confident.

So, grab your headphones (because the 5.1 audio of that DoKan release is spectacular), find your "best" source, and press play. Let your heart experience Hridayam .

Arun, a naive boy from Kerala, arrives at an engineering college in Chennai. He instantly falls for , and their romance becomes the talk of the campus. However, a moment of youthful curiosity leads Arun to lie to Darshana about being single while with another girl. Consumed by guilt, he confesses, but Darshana—hurt and betrayed—ends the relationship.