Danny and Baez must track down a Marine veteran who Danny thinks is suffering from PTSD. Meanwhile, Frank is caught off-guard during a press conference by a woman who is seeking justice for her murdered daughter.

When Danny and Baez investigate the kidnapping of a young girl who disappeared after school, it brings back difficult memories for Danny, who worked on a similar unsolved case many years ago. Meanwhile, Frank butts heads with Inspector General Kelly Peterson when he refuses to divulge information about a program that allows Frank to oversee intelligence officers abroad.