Jackson arrives at Leroy's house at Christmas with a triple-barrel surprise. Meanwhile in a park a young couple in freezing weather find the body of 1Lt. Tom Ellis, a third-generation Marine; Gibbs and company investigate. Tom's father, George, a retired colonel, is an ordained minister. The gang find Tom, barefoot and thinly clothed, with a compass, facing east, kneeling on an Islamic prayer rug; they learn that eight months ago he converted from the Christian faith to Islam. Ziva meets a bunch of what she calls "redthroats"; Jack runs into trouble at Leroy's house. Tony tracks down a payment by the colonel, and Ducky offers insight about Jack; a Navy Muslim chaplain receives a significant note; Abby and the others consider a distinct possibility, which leads to a confrontation, which produces a confession. Leroy finds out why Jack visits him, so they talk about it. Tony makes an old buzzard smile, and McSanta grants a special Christmas wish.