NCIS: Los Angeles season 12 episode 6 might serve as the Christmas episode of the police procedural drama. Nothing is officially confirmed at the moment, but recent teasers suggest this is the case. Here's what fans can anticipate in "If The Fate Follows."

The entirety of NCIS: Los Angeles season 12 episode 6 won't be set on the exact Christmas day, but it's still going to feature the celebration in some ways. Based on some available details, a lot of important events are coming and personal stories will be uncovered in the process.

G. Callen (Chris O'Donnell), in particular, will be taking on a personal mission. According to the synopsis of NCIS: Los Angeles season 12 episode 6, Hetty Lange (Linda Hunt) assigns Callen to investigate a case as Christmas day is approaching.

However, the case becomes a little bit personal for him because it involves his foster brother and wife. The two were framed for smuggling drugs upon re-entry into the United States. Callen might be conflicted in helping them, though this is also a way to learn more about his life in the past.

Meanwhile, Marty Deeks (Eric Christian Olsen) faces his own problem after finding out that he might lose his job. It remains to be seen whether the character he'll continue being part of the team moving forward, but CarterMatt noted that he'll still appear for the rest of the season.

Two more episodes are coming before NCIS: Los Angeles season 12 episode 6 arrives on the small screen. The good thing is that both episodes 4 and 5 are coming this weekend with the title "Cash Flow" and "Raising The Dead," respectively.

In episode 4, Callen reunites with Anna Kolcheck (Bar Paly). The two will be spending more time together after being apart for quite a long time. The recently-released photos teased that they're planning to take their relationship to the next level.

The previous installment saw Callen finally figured what he wanted and determined to track down Anna. Now that the latter is back, he's probably ready to be in a larger commitment with her. While a wedding is uncertain, their reunion means that something more could happen in the future.

Kensi Blye (Daniela Ruah) will be the focus in episode 5, as someone from her past will show up. This man becomes obsessed with her after she put him in jail several years ago. The two come will meet again as Kensi need some intel regarding national security.

NCIS: Los Angeles season 12 episode 6 airs on Sunday, Dec. 13, on CBS.