Michael is a seventeen-year-old high school track star and lifeguard working at the neighborhood pool. Following a single impulsive decision on the Fourth of July, he accidentally sets a tragedy in motion. He attempts to carry on with normal life, taking his driver's test and attending parties, while internally agonizing over his deadly mistake. He begins to isolate himself from his usual social circles out of fear and guilt.

Jenna is a fifteen-year-old girl who experiences a profound shock when her father is killed by a stray bullet. She copes with her trauma by obsessively cleaning her room and working on math equations. Her logical mind struggles to process the sudden tragedy, causing her to fall into deep denial where she fully expects her father to walk through the front door after work.

Amy is a teenage girl who lives with her grandfather following the death of her parents. Her peers often judge her based on local gossip, treating her as an outcast. Despite how others perceive her, she proves to be patient and kind, offering genuine support to classmates going through dark times.

Joe is a high school student with a long-standing reputation as a troublemaker. He has been Michael's closest friend since childhood, despite their differing social statuses. He understands how to handle trouble with authority figures and steps in to construct alibis for his best friend.

Charlie is Jenna's father and Meredith's husband. He is killed instantly by a stray bullet while completing weekend chores at his home. His sudden death serves as the central catalyst for the story.

Meredith is Charlie Ward's widow and Jenna's mother. She attempts to manage her immense shock by busying herself with domestic chores before guests arrive. She leans on her daughter for emotional support as they navigate the immediate aftermath of the shooting.

Darcy is Michael's popular girlfriend. She expects regular communication from him and becomes increasingly annoyed when he avoids her after his birthday. She pays close attention to local social dynamics and is quick to confront perceived disloyalty.

Andrea is Jenna's best friend. She wants Jenna to resume normal teenage activities, frequently inviting her to the community pool and summer parties. She harbors a significant crush on a popular older boy at their school.

Jason is Jenna's boyfriend. He returns to town completely unaware of the tragedy that struck Jenna's family. He wants to support his grieving girlfriend but finds himself deeply confused when his mere presence sends her into panic attacks.

Josh is Michael's younger brother. He pays close attention to the town gossip regarding Charlie Ward's death. He frequently asks blunt questions that elevate the tension inside the MacKenzie household.

Michael and Josh's father. He owns rifles and teaches his sons to respect firearms. He is proud of his older son but grows increasingly anxious as police activity inches closer to their home.

Michael and Josh's mother. She works at a local florist, which sees an unusual surge in business following the town's recent tragedy. She attempts to keep her family calm amidst growing neighborhood tension.

The local police chief in charge of investigating Charlie Ward's death. He faces mounting pressure to solve the unusual case and communicates updates cautiously.

Annie Rico serves as the town gossip. She tracks local police activity and neighborhood rumors, becoming an unofficial source of information for residents seeking details the authorities withhold.

Amy's legal guardian following the death of her parents. He watches out for her well-being and steps in aggressively when he believes local boys are mistreating her.