Abby and Lina investigate a fellow Internal Affairs detective; Brody seeks advice on how best to woo Abby. Abby and Lina investigate a model's murder and the case brings to the surface repressed childhood memories for Abby about her dad's struggles with the horrors of police work. Against the Wall" follows the trials and tribulations of Abby Kowalski (Rachael Carpani), a single Chicago police officer who finally scores her dream job as a detective; but it turns out a nightmare for her close knit family of cops. As the newest hire in the department’s Internal Affairs division, Abby suddenly finds herself at odds with her fellow officers, including her father and three brothers. She must now figure out how she can pursue her dream of being a detective while keeping her family intact.