Polonius' new plan is to spy on Hamlet and this nature matches with his character.
Step-by-step explanation:
Hamlet is a famous play written by William Shakespeare. In this play Polonius is considered as a proud as well as a concerned father. In this play Shakespeare has portrayed Polonius as a selfish, uncaring and suspicious person. Polonius was the father of Ophelia and Laertes . His new plan in this play was to act as a spy that is when Ophelia will meet Hamlet to speak with him Polonius will hide himself and listen whatever they say.