A Dog's Breakfast (2007)

Plot

Patrick feels overshadowed by his sister Marilyn, especially after she introduces her charming fiancé, Ryan, a star from a sci-fi soap opera. Their joyful relationship ignites Patrick's jealousy and sets off a fierce rivalry. Unable to create discord between them through ordinary means, he resorts to increasingly drastic measures. As tensions escalate, the comedic chaos of sibling rivalry spirals into absurdity, revealing the lengths one might go to reclaim their perceived dominance and the darkly humorous consequences that follow in his quest for attention and approval.