In the first game you chase down the second group and try to prevent them from lighting the lighthouses
In the second game you learn they actually have to be Lit, and eventually the first group joins you with the knowledge that they have to help light the towers - Not prevent it from happening.
--
Never underestimate the power of stupidity in numbers. ~War13104
Never stoop to the level of idiots. They will drag you down and beat you with experience.