Watch the official episode preview and highlights on the CBS website:
The team investigates the death of a Marine Sergeant who fell off a cliff while on a camping trip with his wife and his best friend. The incident was captured on his own video camera, making it appear at first glance to be a tragic accident.
: The investigation focuses on the victim's wife and his best friend, who were having an affair and conspired to murder the Sergeant to be together and collect his insurance.
: Gibbs and his team use the very video intended to clear the suspects to eventually prove their guilt through careful frame-by-frame reconstruction. Key Cast and Characters Mark Harmon as Special Agent Leroy Jethro Gibbs Michael Weatherly as Special Agent Anthony DiNozzo Pauley Perrette as Abby Sciuto Sean Murray as Special Agent Timothy McGee Sasha Alexander as Special Agent Caitlin "Kate" Todd David McCallum as Dr. Donald "Ducky" Mallard