Marmadesam, meaning "Land of Mystery" in Tamil, is a television series directed by Naga. The series was telecast between 1997 and 2001 and was very successful.

Wealthy Chennai woman flaunts riches, constantly vying with daughter-in-law in humorous pranks and misadventures, their relationship akin to Tom and Jerry's.

A software engineer starts hearing a voice inside his head that tells him to go in search of a woman named Jayalakshmi and murder her!

Padayappa, a mechanical engineer whose father gives up his property to his foster brother, and then dies of shock soon after. Neelambari initially loves Padayappa, but plans to humiliate him after his family humiliates her father. The rest of the plot deals with Padayappa overcoming all the obstacles placed by Neelambari.

After the death of his sister, Periyakaruppu vows not to marry and raise his niece, Poomayil. When Poomayil grows up, she finds out about her uncle's sacrifices for her and decides to marry him.