Emmerdale's Serena Sugden could have taken her question too far amid her suspicious behaviour, as one character looks set to make it their aim to expose the newcomer20:13, 10 Jul 2026Serena in Emmerdale might have triggered her own downfall, as a moment with one character could expose what she's hiding.‌More than one village resident has been suspicious of the newcomer who debuted in recent episodes. Her constant questions about her killer cousin John Sugden and her appearance out of the blue has sparked some concerns.‌But on Friday, Moira Dingle was left adamant something was amiss. Now, Serena may have made a fatal error in whatever is is she is up to.‌Moira is not going to let this drop, and she is sure Serena is up to no good. What was the blunder Serena made, you ask? She fished for information about John's murder victim Nate Robinson.It's one thing to bring up your killer cousin and admit you knew him, despite not having seen the Sugdens for years, but to fish for details about Nate's demise? Serena clearly did not think this through.‌Perhaps she's just curious about it all, after all, her cousin is a killer. But a scene on Friday saw Moira not buying Serena's act at all, as Serena introduced herself.Serena brought up Nate leaving Moira confused and concerned. She could see what Serena was doing and shut the conversation down, before leaving the pub.It doesn't end there though, as next week Moira remains suspicious. So much so, she speaks to Robert Sugden about his cousin Serena's shifty behaviour.‌Serena is hiding her mystery laptop research from Robert and Vanessa Woodfield. She also starts asking them about John, and Vanessa is so alarmed about it she tells Moira.Moira, now knowing that Serena is asking questions about John AND Nate, takes action. She tells Robert what has happened, and she's clearly concerned about Serena's real intentions.‌Moira warns Robert that Serena must never know the truth about John and what happened to him, with fans knowing Serena's cousin Victoria Sugden killed her brother in self-defence. Meanwhile, Aaron Dingle, Robert's fiancée and Moira's nephew, is also very suspicious of his partner's cousin.He isn't alone as Kev Townsend drops a bombshell on Robert, while Aaron's mother Chas Dingle, Nate's aunt, also agrees to keep an eye on her. Things take a turn though when the mother and son are shocked by what they find out.Article continues belowEmmerdale airs weeknights at 8pm on ITV1 and ITVX. * Follow Mirror Celebs and TV on TikTok , Snapchat , Instagram , Twitter , Facebook , YouTube and Threads .