Richard is a private detective. He makes a good money from marital infidelity: the deceived husband and wife generously paid him for proof of their infidelity "halves".
Dr. Siva treats leprosy patients and gives great importance to his patients' care. When Geetha falls in love with him, he marries her expecting that she would understand the hassles of his profession.
A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.
Ravi, a businessman, falls in love with Lalitha, a professional dancer. But her father challenges him to learn the art of dance in order to marry his daughter.
When the seaside community of Amity finds itself under attack by a dangerous great white shark, the town's chief of police, a young marine biologist, and a grizzled shark hunter embark on a desperate quest to kill the beast before it strikes again.