The episode follows the Behavioral Analysis Unit as they investigate the kidnapping of identical twin daughters of a lawyer. One twin is kidnapped by Vincent Shyer, a rogue FBI agent who has secretly obsessed over the twins for years. As the team investigates, they discover the kidnapper's motivation is his obsession with the twins, not money. They work to find the kidnapped twin before the kidnapper can take the other twin. The show depicts the team of FBI profilers using profiling and investigation techniques to outwit criminals and solve crimes across the United States.