When Fleabag and Claire go to their dad and stepmom's house to memorialize their mother, there is tension that is unbelievably thick. The stepmother is a piece of work. She is one of those persons, full of herself on the outside and ugly on the inside. Eventually Fleabag has had enough. She also betrays her sister in the process, giving up secrets to make her worthy--which doesn't sit well with her. We get to see what created the two sisters.