The Beginning

S5 E24: In the fifth season finale, the team searches for a missing 13-year-old girl whose mother fears she fell prey to a fierce neighborhood drug dealer. Meanwhile, Jack tries to figure out how to protect Elena from her vindictive ex-husband after her legal case against him, regarding the abduction of their daughter from Elena's home, falls apart. PATRICK LABYORTEAUX ("JAG") guest stars as William Broeder.