The film stars S. J. Suryah and Yashika Aannand, with Charles Vinoth as the main antagonist, and other actors like Rajendran and Vincent Asokan in pivotal roles.
As both are not on good terms Raj plans to hinder Dharmaraja's works by doing some mess-ups in the construction and the building is in a state of danger.
Meanwhile, Ashok Mauryan, who has studied engineering, works as a security guard in the same apartment.
Ashok finds out about the issues and warns Dharmaraja but gets caught in an accident and goes into a coma.
[12] Chandini R of Cinema Express gave the film 2.5 out of 5 stars, stating that "If only, some better creative choices by the makers were in order, we would not just laud Kadamayai Sei but also enjoy it.