Eleanor Tomlinson, Alfred Enoch and Jessica De Gouw join the 'Outlander' star in this six-episode chronicle of steamy, eventually violent misadventures.

The British psychological thriller, “The Couple Next Door,” lands today on Starz. Season one of the series. The synopsis, according to Starz, is “A young couple develop a fast friendship with their new neighbors when they move to an idyllic suburb.