Episode:Raven and The Swans

is the twenty-second episode, in the fourth season of NCIS: Los Angeles, and the ninety-fourth in the series as a whole excluding the back door pilot episodes and any crossovers. 
==Synopsis==
Callen questions Hetty’s motivations when a bizarre case involving a mysterious missing woman is revealed to be an undercover NCIS agent from her past.
==Cast==
===Series Regulars===
===Other Cast===
==Production Notes==