Cathy's trouble-making sister Nessa returns to Coronation Street. Will she wreck Roy's wedding plans?
With Roy displaying clear signs of pre-wedding jitters, the last person he probably needs hanging around the cafe in Corrie is his bride Cathy’s sister, Nessa.
The irredeemable flirt has previously wreaked havoc on the Street, and Cathy has never got over the fact her husband and sister had an affair. As Cathy’s insecurities return along with Nessa, is her wedding to Roy in serious jeopardy?
Nessa's surprise return leads to an explosive clash with her sister Cathy
And Cathy's not the only one dismayed to see Nessa back; Nessa's son, Alex, is also unhappy
One night, Nessa is awoken with a start and is shocked to find Roy sitting on her bed!
Realising Roy has started sleepwalking again, Cathy is downcast
In the cafe, Cathy sees red when she hears Nessa boasting about her power over men
Losing control, she unleashes her pent-up anger over her sister's affair with her husband
Eventually, though, Cathy agrees to put the past behind her and the siblings make their peace
Meanwhile, Brian and Tyrone want to know if Roy's stress is because, deep down, he doesn't want to get married
Forced to confront his true feelings for Cathy, will Roy call off the wedding?
Watch Corrie on ITV from Monday, December 5