I'll tell you everything at the cathedral is an article in Resident Evil Recollections. It was uploaded on 31 June 2016.
In Leon's campaign in Resident Evil 6, Leon and Helena are travelling through the sewers to get to the cathedral.
As they finally have a little reprieve from the onslaught, Leon's mind instantly wanders back to Adam and he is visibly upset.
Still, he decides to put off his misgivings about Helena until they reach the Cathedral, proving once again he is the bigger man.
Now all we have to do is make it out the sewers alive...