"Jesse decides to make a change, while Walter and Skyler try to deal with an unexpected demand." Bryan Cranston stars in this drama focused on a mid-life crisis gone bad for an underachieving high school chemistry teacher (Walter White), who becomes a drug dealer after he discovers that he has lung cancer. With a new sense of fearlessness based on his medical prognosis, and a desire to gain financial security for his family, Walter White joins forces with an old student, Jesse Pinkman