In this 4th part of Sundaramurthy Nayanar series, we learn about his marriage to Sangiliyar at Tiruvottriyur. Did you know he lost eyesight in both his eyes because he broke a promise? Let's see how he gets it back. Through all these episodes, he continued to spread Lord Shiva's name, visited many temples where he sang padhigams and made lasting contributions to our Tamil literature and Tamil Shaiva Siddhanta tradition of Hinduism.