BBC Vigil fans became "distracted" as DCI Amy Silva had some racy flashbacks while struggling for air in a torpedo tube.Amy, who is played by Suranne Jones, glanced back at the moment she lay in bed naked with Kirsten Longacre.It seemed that the pair had enjoyed a moment of passion together before Amy rolled over showing naked back.At which point, Kirsten uses her hand to tap out morse code onto Amy's bare flesh , spelling out "I love you".As her life flashed before her, Amy remembered the moment she'd let Kirsten down as she could not say the words she'd expressed on her back.In spite of the dramatic scenes - including a brutal stabbing - some fans were more taken back by the romance on screens.
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