It's April the 18th and the year 2000, Independence Day.

20 years ago, at a stadium in Zimbabwe's capital, Harari,

Robert Mugabe proclaimed the birth of a new nation.

In a moving speech of reconciliation,

the former guerrilla leader promised an end to the fighting between blacks and whites.

Now those words ring totally hollow.

300 miles from the capital city, at a little after six in the morning,

Martin Olds looks out of his window.

A hundred men are breaking through the fence that surrounds his farm.

They're well armed, with guns and traditional Zimbabwean hunting knives.

Three days earlier, another white farmer, David Stevens, was kidnapped,

taken into the bush and murdered by a mob.

They claim to be war veterans, but from the looks of them.

Most of the men gathered outside Martin Olds' tin-roofed farmstead are too young to

afford in the Liberation War.

He grabs his shotgun and loads a couple of cartridges into the chamber.

At 42, Olds is a military vet himself, with four firearms at this disposal.

A burly man with a thick brown beard, he cuts a pretty imposing figure.

But Olds is no fool.

He knows he stands little chance in a shootout.

Instead, he attempts to negotiate.

Stepping outside his front door, he sees the invaders have taken up offensive positions,

...