Over Easter weekend 2015, a group of experienced older criminals entered Hatton Garden Safe Deposit in London, used a lift shaft and heavy drilling equipment to breach the vault wall, and stole jewellery, gold, cash, and valuables from dozens of safe deposit boxes. This episode looks past the 'grandad gang' myth to the planning, security failures, victim losses, investigation, sentencing, and recovery fight behind one of Britain's most famous modern burglaries.