In two weeks, "White Collar" will return with an all-new episode featuring the return of Peter's ex-girlfriend which stirs things up between him and his wife.

It seems like the underlying theme of the upcoming episode, which is called "Quantico Closure," is relationships. Peter will reunite with his ex while Neal will try to seduce Rebecca, according to IBTimes.

Actress Kim Dickens will portray the role of Peter's ex, Jill Stone, an FBI Agent. According to reports, she is likely to seek Peter's help on an espionage case. The two dated during their Quantico days. However, with Jill back in the picture, Elizabeth becomes very uneasy and suspicious. In a preview clip, it appears that Elizabeth will take Neal's help to keep a watch on her husband and Jill. However, they witness the two getting closer and engaging in more than just a work relationship.

Also in the upcoming episode, Rebecca appears to be at Neal's apartment and Neal shows her chapter 13 of the book. They are likely to end-up getting close while trying to find what 13 holds. In the preview clip, Rebecca and Neal are also seen kissing.

According to CaterMatt.com, the official synopsis reads: "While Neal delves further into the mystery of the Codex, Peter takes on a classified espionage case with a fellow FBI agent: his ex-girlfriend."

"White Collar" S5E7 will air Thursday, Dec. 5 on USA at 9 p.m.

Watch the preview below.