After a Judge Advocate General prosecutor's children are kidnapped from a park carousel, the team races to find them when they suspect it could be tied to her work. Meanwhile, Nick gets subpoenaed for an NYPD investigation.After a Judge Advocate General prosecutor's children are kidnapped from a park carousel, the team races to find them when they suspect it could be tied to her work. Meanwhile, Nick gets subpoenaed for an NYPD investigation.