The "piece" you're looking for might be a breakdown of the plot and the "secrets" teased in the movie's description. Movie Overview: Lou (2022) Action, Drama, Thriller
As they hunt the kidnapper, it's revealed that Lou has a dark past—she's a former CIA agent. The kidnapping isn't a random act; the kidnapper is actually Lou’s own son, Philip, who is also the father of the kidnapped girl. Where to Watch Officially
During a massive storm on a remote island in Washington, a young girl named Vee is kidnapped. Her mother, Hannah (played by Jurnee Smollett), teams up with her reclusive neighbor, Lou (played by Allison Janney), to track down the kidnapper through the dangerous wilderness.