Shetland star Ashley Jensen has opened up about some of the restrictive rules in place while filming the hit series ahead of its hotly-anticipated return to the BBC this month. Jensen replaced former series lead Douglas Henshall after he left the show in 2022. The 55-year-old was speaking about returning to the series for a second time as DI Ruth Calder. Jensen explained her character “felt like there was unfinished business there, or a sort of magnetic draw back home”. The actor has somewhat less ominous feelings about her second series and the ninth of the drama overall. Speaking to the BBC,…