The girls go under cover at Holly's old high school in order to prevent a senior prank.
Holly and Charlie recall how a real-life mystery led to their surprising reunion.
Charlie, Holly and Nick spend an evening in an allegedly haunted house.
Charlie struggles with trusting Holly's instincts as they track a Bling Ring.
Nick discovers an online rumor going around that Holly is dead, but instead of correcting it, they start selling some of her unwanted belongings online to make extra money.