Guided by a young priest, Mac spends a day at the seminary to truly understand what it takes to become a priest. Dennis and Frank plan an elaborate trap at the castle to humiliate Charlie’s pen pal. Dee prepares for a date with an Irish doctor, only to find herself sinking in a bog. Having learned of his pen pal’s true identity, Charlie bonds with him and makes a choice that will forever change the Gang.

The Gang attempts to ascend a mountain in order for Charlie to fulfill an old and mysterious Irish burial tradition. But one by one, the Gang backs out until Charlie is left to honor the dead body alone.