Following the camp high drama of “Sister Sister” comes “Sister Sister 2”, a sequel that takes us to Saigon, circa the 30s, where Ms. Ba Tra, Saigon’s most beautiful and sought-after woman, finds herself ensnared in the web of a plot from a scheming flower girl named Nhi. Desperate to ascend from her brothel background to the pinnacle of Saigon’s social elite, Nhi will stop at n...