Casualty of War (S15E09)

Brett Leonard Makinson, a former British soldier and parachute regiment medic, travels to India in hopes of confronting his PTSD. However, he quickly finds himself lured into the world of smuggling marijuana from the Himalayas to different locations across Europe. After being apprehended, he ends up in an Indian prison where he faces brutal treatment, ultimately signing a blank document under duress for the local authorities.