Watch HDToday. They walk in pairs; they go door to door and visit the homes of those who wish to listen. They discuss matters of faith, family, demureness, religion and being. Their quest is personal, it is about proving themselves, an initiation that lasts for the two-year period they spend away from home. The Elders and the Sisters, young Mormon missionaries, leave their country, study a different language and culture and become immersed in a spirit of mission. They aspire to be role models for the perfect boys and girls.