Follows journalist Mariana van Zeller as she goes undercover as a romance scam target to expose a $1 billion criminal industry, teaming with a cyber hacker to confront a scammer posing as a four-star general.

La corresponsal Mariana van Zeller explora el extraño y peligroso mundillo de los cárteles mejicanos, un mundo rebosante de lujo y deslumbrantes riquezas, y de una violencia y una crueldad todavía más llamativas.

应召女郎，是指透过联络方式进行性交易的性工作者（跟流莺不一样）。中间人会透过秘密联络的方式如电话，向买主安排性交易。性销售业，美国护航世界上最古老的职业，现在是一个蓬勃发展的黑市经济与地下的劳动力，现在只是需要一个互联网连接和一个电话了。美国国家地理杂志前往美国伴游业的心脏，揭示供应和需求的高端性工作背后的坚韧不拔的现实。电视已经美化它，互联网使它容易，这个供应和需求的高端性工作。

The world’s oldest profession is now a thriving black market economy, with an underground workforce that’s just an Internet connection and a phone call away. National Geographic’s Mariana van Zeller journeys to the heart of the American escort industry and uncovers the gritty reality behind the supply and demand of high-end sex work. Television has glamorised it and the internet has made it accessible, thrusting the world’s oldest profession into the 21st Century, but behind closed doors it still remains as dangerous as ever. With many street workers trapped in an increasingly violent and abusive underworld.