Review: Thirteen (S1 E5/5), Sunday 27th March, BBC3

For four weeks, Marnie Dickens has taken us on a¬†rollercoaster ride with her debut stand-alone series, Thirteen. Her five-episode thriller has introduced us to Ivy Moxam – a young woman who, for 13 years, had been held captive in the basement by¬†a man called Mark White. Now escaped, the series has chronicled her journey of…