Stephen Reid (Todd Boyce) has had his sights set on Carla Barlow (Alison King) in Coronation Street, as he concocted his plan to take over Underworld.

A new spoiler video shows that he will continue to drug her with LSD in order to convince people that her psychosis has returned.

His aim is to make people lose faith in her ability to run the factory so that he can step in and take her place.

So far, things have worked out just as he planned, with Carla stepping back from duties and leaving him and Sarah Platt (Tina O’Brien) in charge, believing that she isn’t well enough to do the job.

However, it appears that she will soon be back on her feet, leading Stephen to take further action when she calls him over to talk business.

After arriving at her flat, Stephen once again spikes her water while her back is turned.

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Carla begins to panic as she feels woozy once more, as Stephen watches on, pleased that his plan is working.

It isn’t long before Peter Barlow (Chris Gascoyne) arrives, and Carla is begging him to help.

Stephen watches Carla suffer (Picture: ITV)

Stephen puts on his best concerned performance, asking if there is anything he can do to help.

However, he is worried when Peter mentions that they have already spoken to Dr Gaddas.

Could the game be up for Stephen as Carla receives medical treatment?

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The plan continues.