Emmerdale star Nicola Wheeler has hinted that Nicola and Jimmy King's marriage could be in trouble.Nicola is set to open up about her fears to Jimmy (Nick Miles) in their upcoming lockdown episode, which airs next week. And it seems being cooped up together in isolation will take its toll on their relationship, with Jimmy sensing a growing sadness in Nicola.Speaking about her character's struggles in lockdown, Wheeler said: "I think Nicola is doing a little bit of life assessment.