An unusual bond grows between 60-year-old Dalit worker Azhagan and eight-year-old middle class girl Radha. However, Azhagan's proximity to Radha and her mother doesn't go down well with Radha's father.

Envisaging a luxurious life, Prameela, a theatre artist, marries a director. But all her dreams are shattered when fate makes her the sole breadwinner of her family.

Gopi, an engineer, is found in his apartment, dead by hanging. Renuka, his fiancée, wants to uncover the reasons behind his suicide and decides to investigate.