What Goes On Here with Sam Walker

Dan-el Padilla Peralta has the sort of intellectual clout most of us can only dream of.

He's assistant Professor of Classics at Princeton and has taught at more of the greatest universities in the world.

He was educated in New York's private school system, whilst also being homeless and living in condemned buildings in the midst of gang violence.

And what's more he carried a secret, which he feared could tear his world apart.

Colin Parry is a husband and father.

He's also a mentor and motivational speaker and founded a charity that works tirelessly towards resolving conflict.

Colin also, along with his family, endured the horror of the death of his twelve year old son at the hands of terrorists.

This is the story of a man who fought to see beyond his grief to create something incredible.

Kevin Shird is a writer. He also works with young people, especially those who other people have given up on.

He's a good guy.

He's also a man who has served more than a decade in prison for dealing drugs on the streets of Baltimore, a lifestyle made famous by the TV show The Wire.

What happens inside someone's head to switch them on to the potential of a different future?

And how do they shake off the reputation of violence that's defined their life?

Anthony Crolla is a boxer. Since the age of eleven he dreamed of being a world champion.

Everything in his life for more than a decade was focussed on this one goal. Then his chance came to be the WBA lightweight champion.

But then less than a month before the fight he lost that chance and nearly his life.

When your dreams are crushed and you're told the one thing you love to do may be taken away from you, how do you cope? 

This is the story of the mental and physical strength of a man who refused to give up.