"Moral scruples" refers to having strong personal feelings or doubts about whether something is right or wrong. It means having a sense of moral responsibility or conscientiousness when making decisions or taking actions. Full definition
Indeed Blanchett and the film powerfully embody the range of Elizabeth's mind and the force of her intellect, along with the necessary balance between moral scruple and realpolitik. (theguardian.com)
Better still, rather than consisting of the traditional Tales mix of fresh - faced do - gooders, every party member this time around has a dark agenda and relatively few moral scruples. (tomsguide.com)