Skimming devices on cash machines are affecting high streets up and down the country; this episode follows the dedicated Oxford Street police team as they hunt down the gangs responsible.
Elsewhere, Simon Cowell is visiting an Oxford Street theatre; can celebrity photographer Andy Barnes get himself a picture?
Plus the state-of-the-art robot building London's newest tube tunnels, and a big Welsh surprise for customers in the food hall at John Lewis on St David's Day.
