Walter, a modest high school chemistry teacher, discovers a new purpose in life when he learns he has terminal cancer and turns to a life of crime using his chemical knowledge to provide for his family.

Even though his cancer's in remission, chemistry teacher turned meth maker Walter White still can't catch a break. His wife has filed for divorce, his DEA agent brother-in-law is out to bust him, and a Mexican cartel just wants him dead. But with his family's future still at stake, Walt cooks up a deal that will make him a fortune, a scheme with a terrible price.

Professor Klump finds romance with a lovely fellow geneticist. When his alter ego Buddy Love breaks out and threatens trouble, its up to the rest of the hefty Klump family to save the day.

As their partnership reaches new heights, Walt and Jesse begin to see the extremes of the drug trafficking business. Their trademark blue meth is making them rich, but it's getting more difficult than ever for Walt to conceal the truth from his family. Walt struggles to maintain control of his life as he contents with vicious drug dealers, an increasingly distant wife and son, the impending birth of his daughter, and a strung-out business partner...