Gault, an ageing Ulster policeman, is wrongly accused of the death of a colleague. The British State conspires against him to protect an agent. The love of his life saves him.

What is the action that the main character takes in order to clear his name?

This is what will make his story interesting.
After he's framed for a policeman's murder and sentenced to death an ageing detective must escape and?[do something interesting] in order to save his life.

I believe you have a sound structure here but just lacking the meat on the bone. I made him a detective in order to give him the skills he would need to solve the crime and raised the stakes with a death sentence to add interest. However the main action he takes in the story is not there yet - how will he clear his name?

Hey pestie7,

You may want to omit?The love of his life saves him, because it appears to be a third act event. Just very briefly (and clearly) summarize the inciting incident and what exactly the MC must do about it.

And you do have an inciting incident -?or two:?Gault, an ageing Ulster policeman, is wrongly accused of the death of a colleague. and The British State conspires against him to protect an agent.?I believe you intend the former to be the inciting incident, because we wouldn't even know who?him?is if the second sentence was the inciting incident. Here's a little something that may help clarify which is which though:?When?an ageing Ulster policeman is wrongly accused of the death of a colleague by the British State...what must he do?

Agreed with the above, don't need name and story feels like I know it already, so as above mentioned need a hook.

Now, if the woman he was sleeping with was also investigating him then have an extra layer of tension and conflict.

Or maybe the person murdered was a lover and this is a hate crime and what may prove his innocence may also lead to his alienation.

It has potential, just need that twist: that something that takes this from something we've all seen to something we must see.

Having said that: Nothing can beat passion, if this is a story you know and are passionate about write it.