Blue kindness & love vs Black evil

It was a normal life for Smurfette as a true blue smurf, but she felt that her evil side haunts her and wants to take over to kidnap all of the smurfs, and take them to Gargamel. Will Smurfette be able to fight her evil side to protect her smurf friends, especially Hefty? Will Hefty admit his true feelings for Smurfet...