What happens when peeta doesn't return katniss's signal?

When Peeta doesn't return Katniss's signal during the events of The Hunger Games, it creates a sense of confusion and dread for her. Katniss fears for his safety and questions the nature of their alliance, as his absence signifies potential betrayal or danger. This moment underscores the tension between their growing bond and the harsh realities of the Games, highlighting the emotional stakes of their survival. Ultimately, it deepens Katniss's resolve to protect Peeta, showcasing the complexity of their relationship.