Yeah, I agree with Elliott20, let's try and answer the question helpfully and not let this devolve into another 'D&D doesn't work like that' Thread.

Berand, you may want to provide additional information as to what the sides are like. What Levels, Races and Classes are the Player Characters? What kind of resources and allies are they expected to possess? How many opponents are there going to be and what are their Levels, Classes and Races?