Anna Friel leads the cast of new ITV drama Marcella, from acclaimed writer of The Bridge, Hans Rosenfeldt. Marcella is Hans Rosenfeldt's first exclusively created drama for UK audiences.

This harrowing spot, directed by Howard Greenhalgh for ITV Creative, gives us a brutal insight into Marcella's mental state and rapid demise, in what promises to be a gripping drama. This is no Midsummer Murders...