Another detail of introduction on Rashi's commentary on Moed Katan. Plus, shemitah, and how does that line up with avot and toladot, as compared to Shabbat. Also, how to determine which details of shemitah are to be prohibited and which are not, based on the principle of k'lal u-p'rat u-k'lal. Also, plowing before the Rosh Hashanah of shemitah.