"Chyna Shepherd, a young psychology student, is on a mission to save a 14-year-old girl named Ariel from the clutches of a sadistic serial killer named Edgler Vess. After witnessing Vess brutally murder her friend's family, Chyna embarks on a dangerous journey to rescue Ariel, who is being held captive in Vess's basement. As Chyna faces her own demons and confronts Vess, she must use all her courage and resourcefulness to survive and bring Ariel to safety. But Vess has a twisted obsession with the "intensity" of experiences, and he'll stop at nothing to make sure Chyna and Ariel don't escape his grasp. Will Chyna be able to overcome her own traumatic past and outsmart the killer, or will she become his next victim? "Intensity" is a gripping thriller that will keep you on the edge of your seat until the very end."

Intensity is currently unavailable to stream in UK on the streaming services we have in our catalogue

Some movies that have similar genres and were produced around the same time as Intensity include Red Dragon, Thir13en Ghosts, Dog Soldiers, The Vanishing, The Good Son, Village of the Damned.