Jason, a human rights lawyer, poses as a john so he can secretly meet with young women forced to work as prostitutes in Bangkok's busy red light district. His investigation zeroes in on The Pearl, a popular destination for sex tourists from around the world, known for its young and beautiful girls. Jason starts to build a friendship with a young girl known to him only as Number 18 and begins to piece together the story of how she arrived in Bangkok. He becomes convinced that her testimony could be the key to bringing perpetrators of a shocking trafficking incident that occurred on the Thai...