I am sure that most of have heard or even used a Fire Exit Risk Assessment script form 2017. If not here it is: Fire Exit Risk Assessment.dyn (88.0 KB)
I cant however make t work with Revit 2022 and it shows an issue with Geometry.DoesIntersect node - see the pic:
Could you perhaps share an example with only the curves you are trying to compare against the plane? It’s impossible to tell what is going on without knowing the inputs.