That sounds more like a bug.
If you can repeat the circumstances then you should make a capx, and either ask someone to take a look at it here on the forums, or make a bug report if you're very sure its a bug.
As far as whats possible... everything as far as 2d game logic goes is doable, however existing plugs may not work the way you expect. In general the plugs are made to make life easier, not to extend the existing engine.