Under the benevolent helmsmanship of former air vice-marshal V. Krishnaswamy and his wife Jaya, both close to 80, a small and dedicated team at the Madhuram Narayanan Centre for Exceptional Children (MNC) trains and educates children of age 0-6 with various forms of mental retardation. The electrical engineer and teacher were coasting towards retirement when a chance encounter with another social worker gave them ideas about how to spend their autumn years productively.