Sound Thoma tells the story of a smart and eligible bachelor Thoma. If anyone who hears his speach, will dislike him. Because of his disability in speech, he suffers much from his villagers and even near and dear ones.
Sreelakshmi (Namitha Pramod) is a radio jockey who has a sweet voice. 'Sound Thoma' plots the love story of Sreelakshmi who is blessed with a sweet voice and Thomas who is the victim of his own voice.