if you can watch a 3rd season of a series without necessarily having to watch the other 2, they aren't that connected. the only thing, just like every other disconnected dramas is that you will miss back stories on the team. they have different cases almost every episode each season and even if you want to have a connection, it ends with the season. it's not like it continues to the next. so it is very much a disconnected Kdrama that we don't often get
to think bro was living an ordinary citizen life only to get wrapped in all this and keep encountering dangerous upon dangerous situations that forced him to changed his entire life, mentality and stacking up traumas and traumas. man, I can't imagine this happening to someone irl. having to force yourself to learn how to fight when you used to be such an angel and so good, loving plants and all. now seeing explosions, guns and shvt! THAT IS CRAZY