Complex sentence: When Mordecai finds out about the plan, he implores her to try and intercede with the King; but she is afraid to break the law and present herself to the King unsummoned, as this was punishable by death.
Split into simpler sentences: When Mordecai finds out about the plan, he implores her to try and intercede with the King. But she is afraid to break the law and present herself to the King unsummoned, as this was punishable by death.