Pakistan, May 10 -- Netflix is once again pulling viewers into a story that feels too wild to be real but this time it actually is. The new series Legends is based on real events from the 1990s, when a small group of UK customs officers took on powerful drug gangs trying to flood the country with heroin. The show is about how ordinary officials, not trained detectives, were hired to go undercover inside dangerous criminal networks where they were given fake identities and sent into a world of drugs, crime and constant risk. These undercover roles, however, were known as "legends," which is where the series gets its name. The story is inspired by the book The Betrayer: How an Undercover Unit Infiltrated the Global Drug Trade, which is writ...