From publisher blurb:
Plotlibs are a popular line of system-free GM aids from Morningstar Productions. With six d100 tables, this short PDF includes a minimum of 250,000,000,000 plot permutations - and that's if you're feeling generous towards your players! A perfect addition to any RPG library, each genre-focused edition of Plotlibs allows you to draw up the plot an adventure or campaign in mere minutes.
This edition of Plotlibs is designed to create plots for games set in worlds inspired by Ancient Greece & Rome. With everything from Hydras to mad emperors and barbarian migrations, this is a must-have for any busy GM.