Cleaning Up, ITV

Sheridan Smith stars in this six-part drama, playing single mum Sam who’s struggling on her zero hours contract as a cleaner at a stock brokers’ firm in London. She also has a gambling addiction and is battling her estranged husband Dave (Matthew Mcnulty) for custody of their children. But when Sam realises she has access to insider information she decides to use her illicit knowledge to play the stock market.