Sankar is an ambitious man who wants to make it big through fair means. However, the friend he works under, Sampath, begins to use corrupt measures to make them rich.
Kumaraiya, an ardent devotee of Lord Krishna, faces various conflicts in life after his brother, an atheist, falls in love with the village head's niece.
Aravindhan runs a dance school where he falls for his student Kannamma. However, soon after they get married, he realises that she is impossible to deal with and decides to help her.
Manickam and Vairam get married but soon separate due to misunderstandings. Later, Manickam remarries Thangam, who dies leaving behind a daughter due to complications during childbirth.
Dr. Ramesh is accused of killing his sister's husband, Bhaskar. However, while hiding from the police, he comes across his childhood love Janaki, who decides to help him.
Velum Mayilum Thunai (English: Support with Spear and Peacock) is a 1979 Tamil Hindu devotional film directed and written by Ra. Sankaran with dialogue by Rajasekaran. The film was produced by Ra. Ma. Narayanan and Vijayalakshmi Subramaniyam. The music was composed by Shankar - Ganesh. The film stars M. R. Radha(dual role) and Baby Sudha.
Mary, a nurse in a hospital, narrates the tale of how Mother Mary helped Kamakshi and her son Sundaram in Velankanni village and turned an atheist landlord to a believer by appearing before him.