Philippa Tolley investigates the scale of migrant labour exploitation in New Zealand amid calls for tougher penalties for employers.
Two of the most serious cases of alleged exploitation of immigrants in recent times are making their way through the courts at present.
But advocates say more needs to be done to protect those who suffer unfair treatment in this country.
They say the victims are the ones who lose all in revealing wrong doing.
Philippa Tolley has been looking into the current situation.
Image: Indonesian fishing crew .From left Entis Sutisna, Anto Fantanto, Supri Yanto
Coming Up on Insight
8:12 am Sunday 14 February: New Cancer Drugs and Funding Conundrums
New immunotherapy drugs are the hot topic in cancer internationally.
They stimulate the body's own immune system to fight disease, providing a possible cure for some patients.
With the highest rates in the world of the deadly skin cancer melanoma, and no effective funded treatment for advanced disease, patients here are demanding action over the drug, Keytruda.
But the price is eye-watering and Pharmac is questioning the effectiveness.
RNZ's health correspondent, Karen Brown, investigates how good these new-generation drugs are, and the debate over whether or not NZ should fund them.
8:12 am Sunday 21 February: Insight: Sheep and goats - the new diary boom?
There has been a surge in interest in sheep and goat dairy in the past few years with farms springing up around the country and plants exporting infant formula and whole milk powder to Asia and Europe.
While dairy goats and sheep have been in New Zealand since the 1970's, numbers are climbing and about 35,000 sheep and 50,000 goats are now being milked.
But predictions for the future are mixed, with some goat exporters worried that markets will be flooded, while others say there is not enough supply to keep up with demand.
Alexa Cook explores the dairy goat and sheep industry to find out why more people are keen to get involved.