The Little Murders of Agatha Christie (2009)

S2E1 They Do It with Mirrors

Doctor Bousquet runs a rehabilitation center for offenders, but his family is uncomfortable with having criminals and troubled individuals in their midst. As Commissioner Laurence investigates a double murder at the facility, she struggles to keep persistent journalist Alice Avril at bay. Tensions run high in the Bousquet household, revealing a lack of warmth among its members. The question arises: are Dr. Bousquet's patients truly the ones posing a threat?