Drama .

This adaptation of Sebastian Faulks’ best-selling novel about lovers torn apart by World War I stars Eddie Redmayne (“The Pillars of the Earth”) as Stephen Wraysford, whose pre-war affair with Isabelle Azaire (Clemence Poesy, Harry Potter) has an enduring effect on him as he fights in the trenches.

Part 1
In 1910, Englishman Stephen Wraysford goes to France to study textile manufacturing and falls in love with a factory owner’s bewitching wife, Isabelle. Amid the shellfire of the Western Front in 1916, his memories of the past haunt him.

Watch Masterpiece Classic: Birdsong Sunday, July 8, 2012 at 3pm.

Watch Birdsong Preview on PBS. See more from Masterpiece.

Before Inspector Morse, there was the rookie Constable Morse, fed up with police work and ready to nip his career in the bud by handing in his resignation. That is, until a murder turned up that only he could solve. Shaun Evans (“The Take,” “The Virgin Queen”) stars as the young Endeavour Morse, before his signature red Jaguar, but with his deductive powers already running in high gear.

Watch Masterpiece Mystery! Sunday, July 1, 2012 at 8pm.

Watch Endeavour Preview on PBS. See more from Masterpiece.

What does an honest cop do when his bosses are on the side of the lawbreakers? Outwitting prosecutors, politicians, mobsters and run-of-the-mill kidnappers and killers, Detective Aurelio Zen brings justice to modern-day Italy, whether the authorities want it or not, in “Zen,” a trio of spellbinding cases based on the best-selling novels by Michael Dibdin.

Watch “Cabal” Sunday, June 17, 2012 at 8pm.