Monika Jolly

It's Halloween but the only thing frightening Hannah is her cousin Luann, who is threatening to tell the world that Miley and Hannah are the same person.

Michael realizes that running the company isn't going to be as easy as he thought, especially since his father seems to be pulling some strings from inside the joint.

The winter season finally comes to Newport, and Seth, Ryan, Summer and Marissa attend the annual SnO.C. Winter Ball. Julie and Jimmy spend some quality time together as the chairs of the host committee, and Sandy gets closer to the truth Caleb has been hiding. Meanwhile, Julie discovers Marissa's secret when Marissa leaves school at lunch and goes home to meet D.J. (recurring guest star NICHOLAS GONZALEZ).