The Sister's Secret in Bloomington, MN

A daring daylight robbery at a luncheon meeting of the Myerton Historical Society puts Helen the rest of the police department on the trail of a team of professional thieves. Meanwhile, Father Tom must deal with the fallout from Steve and Bridget's relationship, getting ready for the first major event at the Saint Francis Education Center, and keep up with the demands of being a parish priest.
But why is Sister Maria acting so strange?