VIDEO: Sneak Peek - 'Skinny Dipper' Episode of ABC's FOREVER

On the next episode of ABC's FOREVER titled "Skinny Dipper", when a taxi cab driver is killed with an antique sword, it is just the start of the tangled web the anonymous caller weaves to draw Henry under his influence.

But what is "Adam" really after? After a second victim is murdered, "Adam" attempts to frame Henry for the crime. Can Henry trust Jo to tell her the truth? Or is it time for Henry and Abe to leave town? Just as they get ready to flee, Henry attempts to exact revenge on "Adam," which culminates in the shocking revelation about the true identity of Henry's secret stalker.

The episode airs TUESDAY, DECEMBER 9 (10:00-11:00 p.m., ET), on the ABC Television Network. Get a sneak peek below!

"Forever" stars Ioan Gruffudd as Henry, Judd Hirsch as Abe, Alana De La Garza as Detective Jo Martinez, Lorraine Toussaint as Lt. Joanne Reece, Donnie Keshawarz as Detective Hanson and Joel David Moore as Lucas.

Guest starring are Victoria Hayes as Nora Morgan, Burn Gorman as Anonymous Caller, Edoardo Ballerini as Clark Walker and Geoffrey Cantor as Alienist.

The story for "Skinny Dipper" is written by Chris Fedak & Phil Klemmer; the teleplay is by Fedak and directed by Steve Boyum.

"Forever" and is broadcast in 720 Progressive (720P), ABC's selected HDTV format with a 5.1 channel surround sound. A TV parental guideline will be assigned closer to airdate.

For more information on "Forever," visit ABC.com/Forever.

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