It's Halloween in Dog River and Brent, Lacey, Wanda, and Hank all plan to watch scary movies at Brent's place., but their party is interrupted by some spooky, ghoulish sounds. Determined to uncover the truth, they investigate and the bloody history of Brent's house comes to light. Meanwhile, Oscar and Emma batten down the hatches when they realize angry teens might target them for Halloween pranks. When the action starts, they call in Karen and Davis to help them protect their home from an unseen force of teenage evil.