Caroline Strong

The most recent 'person of interest' is the 21-year-old daughter of a Brazilian diplomat who has become the target of a dangerous drugs gang.

A kidnapping investigation brings back bad memories for Danny, who worked a similar case years ago; Frank and Inspector General Peterson butt heads.

Holmes investigates a wealthy man who believes that he was deliberately infected with a degenerative disease and Watson pursues her first solo case.

Gordon and Bullock attempt to figure out who the clever thief is behind the robberies of various bank branches in Gotham. Meanwhile, Barbara is put in danger, forcing Tabitha to recruit help.

At the Farm, Harry is still suspicious of Alex and Ryan, and he's determined to learn more about their plan, while Leon is recruited for a special assignment by Owen.