You might want to start by taking a look at the Supplementary Pages for this week...
The Latin text of Dulcitius at the Bibliotheca Augustana gives you a sense of the rhyming patterns in Hrotsvitha's prose. You can find a complete English translation of Dulcitius at the Medieval Sourcebook online. There is also a complete English translation of the Gallicanus.
You can read detailed plot summaries of the plays at The Dramas of Hrotswitha of Gandersheim, a website by Ann Marie Olson.