After 142 years, HMP Barlinnie is closing its doors. The prison is Scotland’s largest jail and houses over 1,400 inmates in five gigantic Victorian halls.

Inmate Jamie relapses with the temptation of illegal drugs. Darren calls in the chaplain to help him with self-harm attempts and suicide.

Albanian drug dealer Robert fights deportation while desperately hoping to be returned to his son. Violent offender John searches for a new start to try and beat his alcohol addiction.