Here is a narrative for you. Trump has had a "concept of a plan" for healthcare without actually presenting one since 2015. Sometimes you dismiss facts as a narrative. That happens quite often in trumplandia.
He first promised a comprehensive replacement plan for the Affordable Care Act (Obamacare) on the campaign trail in September 2015, famously declaring: "I am going to take care of everybody... Everybody's going to be taken care of much better than they're taken care of now."