Walt (Bryan Cranston) - an unrepentant 'everyman' who has embraced his kingpin alter ego "Heisenberg" - continues to battle dueling identities: a desperate husband and father trying to provide for his family, and a newly appointed key player in the Albuquerque drug trade.

Walter continues to find himself facing insurmountable medical bills from his cancer treatment.

A passionless chemistry teacher learns he has terminal cancer and turns to a life of crime to provide for his wife and handicapped son.