Big Mood on Channel 4 review: witty, gritty and honest – everything Nicola Coughlan touches turns to gold

Whatever Nicola Coughlan touches turns to gold. First, it was her breakout role in the barnstorming Channel 4 sitcom Derry Girls, which propelled her and the show to national treasure status.

Then came her turn as the prim and coiffured debutante Penelope Featherington in the wildly (a role she is due to reprise in May, as the central love interest of Colin Bridgerton, at last).