When a peace-seeking alien crashes in remotest New Zealand, a feisty female scientist and a taciturn hunter must rescue him from a war-like Vietnam vet.

Why in New Zealand? War loving vet sounds American.
Always begin with your hero or your villain. The alien sounds like the MacGuffin than anything.

I think it is amazing!

When crashing in remotest New Zealand, a piece-seeking alien must take help from a feisty female scientist and a taciturn hunter to flee a war-like Vietnam vet.