The Inspector Lynley Mysteries (2002)

S1E1 Well-Schooled in Murder

Title: Educated in Deception Plot: Detective Inspector Lynley and Detective Sergeant Havers find themselves immersed in the insular environment of the elite Bredgar Hall when a gifted student, Matthew Whateley, suddenly disappears. As they navigate the complexities of the school's culture, they uncover secrets that may lead them to the truth behind the boy's vanishing.