In the middle of 1997, a young lady by the name of Lê Thanh Vân was released from prison.

While she served a 4 year sentence for fraud, authorities weren't aware of her murderous past, and within the next 3 years, she would proceed with her heinous crimes, where she would eventually be deemed "The Cyanide Witch of Vietnam".

In Ep 1. we'll learn of Lê Thanh Vân's criminal past, and the dark secrets that she kept.
In Ep 2. we'll learn about the many lives taken by the Cyanide Witch, and the events that eventually led to her demise.

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