Visually, the show is a masterpiece. It captures the grit and the glamour of the 1970s perfectly. From the palm-lined streets of Bangkok to the patterned wallpapers of cheap hostels, the production design immerses you in a world where Interpol had no jurisdiction and passports were easily forged. It feels like a vintage fever dream.

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: He posed as a gem dealer to win the trust of travelers, drugged them to steal their money and passports, and often murdered them to assume their identities.

There are serial killers who strike fear through brutality, and then there is Charles Sobhraj—a man who killed with a smile. BBC/Netflix’s "The Serpent" is not just a whodunit; it is a chilling character study of one of history’s most elusive criminals. Set against the vibrant, hazy backdrop of the 1970s Hippie Trail, this series will make you question who you trust.