ITV Grace viewers were thrilled to see the crime drama series return, however, some were let down within minutes of the show airing.
Grace season 5 has adapted four more of Peter James's novels – Dead If You Don't, Dead at First Sight, Need You Dead and Find Them Dead.
The synopsis for the first episode, which explores the novel Dead If You Don't reads: "Kipp Brown, successful businessman and compulsive gambler, is on his worst run of luck yet.
“Taking his teenage son, Mungo, to a football match should have given him a welcome respite – if only for a few hours. But it’s at the stadium where his nightmare begins.
"Within minutes of arriving at the game, Mungo suddenly disappears and Kipp receives a terrifying message: someone has his child. And, to get him back alive, Kipp will have to pay.
“Roy Grace is brought in to investigate what seems to be a straightforward case of kidnapping. But, very soon, Grace finds himself entering a dark, criminal underbelly of the city, where the rules are different and nothing is what it seems...”
The new series kicked off with a terror attack
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As eager fans tuned in to watch the episode, they were quickly left confused and taking to their X account to point out a major plot hole.
One baffled viewer penned: “Try getting into a major football stadium without going through a search or detectors.
“Really like Grace but so far, a single bomb in the ladies' toilet where no one goes after the final whistle.”
“There’s got to be more to the story than just demand money,” another penned before a third noted: “The most unrealistic part so far is anyone having signal in a football stadium.
Fans immediately flocked to their social media accounts
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“Took me 75 minutes to send a picture at the Emirates last week.”
“So there’s a credible bomb threat and they don’t evacuate the stadium?!” a fourth quipped before someone else picked out: “There’s a bomb alert and they have let someone in without a ticket. Sounds likely!”
Another said: “Two dogs to search for a bomb in a stadium of thousands?” (sic)
Since the very first episode of the show, DS Roy Grace (played by John Simm) has been plagued by the disappearance of his wife Sandy.
However, at the end of season 4, he found out she was in a hospital in Germany, where she later took her own life – before finding out he had a son named Bruno.
Simm recently explained how he felt about the culmination of Sandy’s disappearance and told Radio Times: "I was kind of torn with it, really.
The series picks up after Sandy's death
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“Because I realised the audience... we can't string them along forever about the Sandy thing. And it has been going on through the whole series, so it had to reach a conclusion, and they needed answers.
"But on the other hand, I really liked it. It was a kind of spectre hanging over his head. That was his thing.
“He was the detective with the missing wife, and he couldn't solve it. So now that that's gone, that jeopardy in his life has gone, I was kind of worried.
"We can't just have a blissfully happy detective who's not an alcoholic, and he's really good at his job, and he's a pretty nice guy, and he's completely in love, and everything's fine.
"So I was kind of worried that that was going to be exposed a little bit. But actually, with the mind of Peter James, there's plenty of jeopardy for Roy Grace. So I needn't have been worried."