The episode is titled "This Sorrowful Life", directed by Greg Nicotero and written by scriptwriter and new series' showrunner Scott M. Gimple:
"...'Rick' and the others learn that if they want a truce with 'The Governor', they must make a sacrifice.
"'Daryl' asks 'Rick' if there is any way to avoid a war. Rick tells the group that the Governor said if they gave up 'Michonne' he would let everyone live in peace.
"'Daryl approaches 'Glenn' and wants to know where Merle is. Daryl asks Glenn if Merle has apologized yet and Glenn is keeping silent.
"Daryl assures Glenn that Merle will make it right somehow. Rick gives everyone a choice that they can stand and fight or they can go.
"Clearly, Rick and the gang will not give Michonne up.
"The Governor also knows that 'Milton' betrayed him..."
Cast for Episode #15 includes Andrew Lincoln as 'Rick Grimes', Laurie Holden as 'Andrea', Norman Reedus as 'Daryl Dixon', Steven Yeun as 'Glenn Rhee', Lauren Cohan as 'Maggie Greene', Chandler Riggs as 'Carl Grimes', Danai Gurira as 'Michonne', Michael Rooker as 'Merle Dixon', David Morrissey as 'The Governor' and Melissa McBride as 'Carol Peletier'.