Chaos theory," according to Dr. Steven Strogatz, Director of the Center for Applied Mathematics at Cornell University, "is the science of how things change." It describes the behavior of any system whose state evolves over time and whose behavior is sensitive to small changes in its initial conditions.

Continuing story of Tony Soprano--a middle-aged businessman with a wife, a daughter, a son, and an elderly mother--who just also happens to be a mob boss.