Walter White, a New Mexico chemistry teacher, is diagnosed with Stage III cancer and given a prognosis of only two years left to live. He becomes filled with a sense of fearlessness and an unrelenting desire to secure his family's financial future at any cost as he enters the dangerous world of drugs and crime.
Hank's increasing volatility forces a confrontation with Jesse and trouble at work. Skyler pressures Walt to make a deal. Gus' actions have severe consequences.