A man, 44, has been arrested on suspicion of murder following the death of a 23-year old from Leek.
A 37-year-old-woman and a second man, aged 35, have also been arrested, both on suspicion of supplying a class A drug.
A Staffordshire Police spokesperson said: “We received a call from the ambulance service shortly before midnight (October 7) reporting that a man had collapsed at an address in Queens Drive.
“Police attended and the 23-year-old man was pronounced dead at the scene.”
Police have not released the name of the dead man, but say family members have been told.
A post-mortem is due to be carried out later today.