Symphony movie is about Jijo Samson (Shiva) who is a singer and composer. His troupe comprises of Shruthi (Anu) who has left her family for the sake of her love to Jijo. They have come to a lake-side resort to compose a new music album for Dominic Kalarickal (Jagathy Sreekumar).
Jijo meets Sandra (Swati Verma) and he falls for her despite knowing that she is married to Satyanath (Riaz Khan). An extra martial affair develops. Shruthi is heart-broken. Things hot up when Satyanath turns up.