Most Heartwarming Stories Of 2019

I've recently come across a novel called a most wanted man, after which being curious i found a tv episode called a most unusual camera. Could someone shed some light on how to use a. Most is what is called a determiner.

Here most means a plurality. Most dentists recommend colgate toothpaste. Here it is ambiguous about whether there is a bare majority or a comfortable majority. From the 2nd.