Who acts as a source of conflict for Denny's relationship with his daughter?

The source of conflict in Denny's relationship with his daughter is primarily his father-in-law. This tension arises as Denny faces opposition from his father-in-law regarding his capabilities as a parent, particularly following the death of Denny's wife. The father-in-law believes that Denny is not fit to raise his granddaughter, which creates significant strain and complicates the father-daughter bond. This dynamic showcases the challenges Denny must navigate, emphasizing themes of family, trust, and the struggle for autonomy in the face of external judgment. The actions and attitudes of the father-in-law are pivotal in shaping the narrative and the emotional journey that Denny experiences.