Catherine Summers is the ex-wife of serial teenager predator and big name movie director Frank Maddox. Frank wooed Catherine when she was a teenager, eventually boosting her acting career and marrying her. The couple had a daughter named Chelsea during the marriage. Unbeknownst to her, Frank targeted her sisters Mavis and Rose. Frank made Mavis famous as a teen actress, only to rape her one night in his hot tub. After that, Frank seduced an had an affair with Rose, going as far as taking nude photos of her and making her his newest star.
Catherine only found out about Rose, which led to her and Frank divorcing. While Catherine gained custody of Chelsea, Frank got engaged to Rose. One day when Frank was visiting Chelsea in the Summers' vacation home, Frank molested her in the laundry room. When Chelsea told Catherine, Catherine personally pressed charges to take Frank to trial, which the squad paired with child porn charges regarding Rose's nude photos being leaked when the allegations were made.
However, it was revealed Mavis leaked the photos to expose Frank, and when her rape trauma because of Frank was revealed, she went public and released her account on the news. Sadly, the family never saw justice, as Frank fled the country on a private plane to France with Rose around the time he was found guilty of molesting Chelsea. Catherine was later seen protecting Chelsea from photographers as the mother and daughter returned home. (SVU: "Reasonable Doubt")