Breaking Bad (season 3)

The main hero Walter White works as a teacher in a small local school. He has to support for his family because his spouse is waiting for a baby and his son has to use a wheelchair for moving. It's a long time Walter isn't young. This is why he doesn't feel former power. He tries his best to meet the need of his family, but suddenly he learns about a deadly disease because of that he is to live about several months.