Hardy boys undercover brothers --

Frank and Joe travel to Philadelphia where they intend to prevent an attack on an extreme sports contest called the Big Air Games.

Frank and Joe try to stop someone from destroying Niagara Falls.

ATAC Briefing for Agents Frank and Joe Hardy MISSION: To finally get to the bottom of the ongoing deadly scares taking place on the set of the reality TV show Deprivation House. LOCATION: A huge villa in Beverly Hills, CA, without a single luxury left inside. POTENTIAL VICTIMS: Every contestant on the reality show is in extreme danger. SUSPECTS:It's possible one of the new contestants has a devious agenda, or else someone who's been there all along is hiding a huge secret.