This Doctor Who screencap contains
chainlink fence, penal institution, and penal facility.
There might also be
holding cell, jail, jailhouse, gaol, clink, slammer, poky, pokey, cell, jail cell, and prison cell.
Basically the story of his three companions, Rose, Martha, and Donna, and how they can never stay with him long, and the Doctor has to let them go. Made by zcatz.