a/one side of the picture

A single perspective or point of view about a given situation, incident, or account. I know she said I cheated her out of the money, but that's just one side of the picture—I actually had a very good reason for what I did! His new play presents a side of the picture not often dealt with when talking about the rebellion.

a/one side of the ˈstory/ˈpicture

only one way of looking at a situation: There are two sides to this story, and you’ve only heard Jim’s. ♢ This programme on the dispute only shows one side of the picture.