This mini-series follows seven Muslims, Catholics, Evangelical Christians and Jews in training to become professional clergy. Embarking on life paths that demand tremendous personal sacrifice and commitment, these seminarians must uphold timeless truths in an era that values quick fixes and hot trends, and face a public that challenges the relevance of their mission. A new look at an old job, "The Calling" takes viewers into the unknown world of seminaries to tell personal stories of how faith is lived today. (Part 1 of 2)