Sunday night’s episode of Vigil, the fifth in this BBC six-parter, started as it meant to go on, at break neck speed.
BBC One viewers quickly learned who was ‘attacking DCI Amy Silva (Suranne Jones), and the coxon Glover, (Shaun Evans), that was hidden beneath the gas mask.
Glover was actually trying help Silva because the submarine was concerned about contamination after the poisoning death chef Jackie.
However, many viewers seemed baffled as events progressed, with one tweeting:#vigil Been watching this five weeks in and still don’t have a feckin clue who’s who ? And what’s going on ??
“All I know is Steve Arnot died within five minutes of the show starting and he was the main reason why I was watching in first place”
Another wrote: “My dad has watched this show intently for the previous 4 episodes and to him, right now, the biggest question is “how fresh are those eggs? #vigil”
A third wrote: “Gone a bit Dr Who. Totally jumped the shark”
Meanwhile, the episode also featured Shaun Evans – best known as ITV’s Endeavour – shirtless in a shower scene. But again, fans were perplexed, as Evans’ character Glover kissed his lover, submarine doctor Docherty (Anjli Mohindra).
This was despite the fear that he may have come into contact with a noxious poison.
“ur telling me a DOCTOR on this mf submarine thought someone had been exposed to a NERVE AGENT and she figured it was time one last kiss??!?! #vigil” tweeted one viewer.
Another wrote: “You may have contracted a fatal contaminant/nerve agent which I’ve just confirmed we have no treatment for on board the submarine. Hold still whilst I kiss you before resuming my duties as senior medic. For the love of God #vigil”
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The biggest shock came at the end of the episode, when DCI Silva was attacked by the Russian double agent on board, CPO Matthew Doward (Lorne MacFadyen).
Claustrophobic Silva was wearing an atmospheric diving suit and was then frozen in a torpedo tube that began to fill with seawater.
Will she make it?
The BBC One Vigil ends at 9pm Sunday 26 September