In Brunnenberg prison for men, the new warden introduces a revolutionary convict re-socializing project: training guide dogs for the blind. The perks make all convicts volunteer for only seven slots. Except burly macho Moskowitch 'Mosk', who cares only for the manly work out contest. The warden blackmails him, he can only do the contes...

A Labrador retriever named Quill begins specialized training as a guide dog from an early age, then the canine is paired with a blind man who is initially reluctant to rely on his new partner.

Blind detective Duncan Maclain gets mixed up with enemy agents and murder when he tries to help an old friend with a rebellious stepdaughter.

Danny Mitchell and his canine pal Rusty befriend blind girl Penny Moffatt. Feeling cheated by life, Penny resists all efforts to cope with her handicap. But with Rusty's help, the girl gains a new lease on life and agrees to adopt a seeing-eye dog.

A Paris sculptor (Richard Dix) fakes blindness in Los Angeles to recover his blackmailed sister's love letters.