The spoiler stories in the tabloids tell that Izzy Armstrong will be arrested any day now for possession of cannabis.
The way the police and prosecution authorities are shown to handle her case will provide a rough measure of the public mood in Britain in relation to the use of cannabis for medicinal purposes and, by extension, the use of cannabis generally.
As ever with soaps when it comes to current controversial issues, Coronation Street producers will be careful to avoid allegations of pushing a sensational line to boost viewing figures. This will be a tentative, ultra-responsible presentation.