Miracle in Rwanda is a dramatic triumph that will leave you hanging on actor Leslie Lewis Sword’s every word.

The one-woman show, directed and co-created by Edward Vilga, tells the true story of bestselling author of “Left to Tell” Immaculee Llibagiza, a Rwandan Tutsi who was hidden during a months-long genocidal massacre that claimed one million lives. She takes refuge with seven others in an impossibly cramped space while the Hutu militia hunts for them.

But this is not just a story of survival. It is about a religious awakening and overcoming the limits of human beings to forgive.

Sword...