Driving by his deep will of keeping the trade of fur in America in the 18th century, Declan Harb, a young courageous and smart guy, does his best and struggles against saving this trade from the oppressive rulers and rich, the thing that brings terrible for him, as he enters a bloody fight and kills many of the King's soldiers.
The series struggles to be compelling beyond the prospect of Momoa making an appearance on screen, and even then, the material rarely rises to meet the effort he puts forth.
It's like that bland guacamole your co-worker brings to the potluck, but if you sprinkle a little salt and squeeze a lime on it, it's quite enjoyable. Jason Momoa is the lime and the salt. The sea salt.
Frontier privileges complication and nuance over titillation and pulp - and capitalizes on what television specifically can do in terms of telling a multi-pronged, multi-location story.
Yes, there are serious themes to be drawn from it if you're so inclined... but you can also feel free to take it as simply an action-packed, rather bloody tale from those frothy preindustrial days.