There can only be one genre for a plot. Any The plot fits into any genre. The plot uses or relies on fantasy stuff like magic or dragons. The plot is located in the current time. The plot is located in the future.
Type There can be an arbitrary number of types for a plot.
Affliction Something nasty happen to players for dose of trots to unfair imprisonment. This would cover capture and escape too. Campaign Complete campaign or campaign ideas. Comedy Always good for a laugh. The PCs explore an area without a special reason.