Mark Lilley, a dangerous gangster with a reputation for violence, has been on the run for 13 years. When a search of his luxury villa draws a blank, Inspector Olga Lizana from the Spanish National Police's Fugitives Unit is determined to find his secret hiding place. In 2016, the Metropolitan Police's Extradition Unit arrested over 500 foreign fugitives hiding out in the capital. A six-month search for a Polish murderer leads DS Pete Rance and his team to a flat in south west London. An arrest soon follows and the man, who kicked another to death, is sent back to prison in Poland. West Yorkshire Police have one of the busiest extradition teams in the country. PCs Dave Lockwood and Tom Allen are on the hunt for a man convicted for theft and assault in the Czech Republic. The criminal they are after thinks he has found the perfect place to dodge the law.