Charlie tries to make sense of the tattoo one of the dead Chinese has on the sole of her foot. Larry, thinking it is connected to the famous I Ching book, but in fact Amita realizes it is a telephone number. When they call, a woman's voice identifies herself. In her answering message she tells about having already been killed. In fact, she turns out to be a newspaper reporter who had gone to China to try to discover the illegal source that sends these young women to the country as prostitutes.
The bureau asks Charlie to try to identify, using his algorithms, which container from two Chinese container ships that had recently arrived at the Los Angeles port. Charlie is a bit shaken when Amita announces the possibility of accepting a post at Harvard University, something he did not think she would do. Meanwhile, the investigating team gets lucky when they find the place where a Chinese kingpin, that might be directly involved with the smuggling, hangs out.
J. Miller Tobin directed the screenplay written by J. David Harden. The episode holds our interest, although it is not one of the most involving ones in the season, but nicely done.