"You Always Hurt the One You Love" is the 861st episode of Casualty and the 38th episode of the 27th series.


Lloyd is determined to uncover the truth about a cannabis factory on his final day as a nurse after a seven-year-old boy is brought to the ED with suspected poisoning. Meanwhile, Tess and Fletch try to counsel a feisty young couple, and a patient's beloved pet mouse is accidentally set free in the hospital.