Warning: This episode contains spoilers for Episode Three of the Fourth Season of Wallander.

The series finale of "Wallander" had a lot of heart; it gave us a heartbreaking diagnosis, a heart-pounding case, and to top it off, a heart-filled performance from the great Sir Kenneth Branagh.

Now, appearing for one last time on the podcast, Kenneth Branagh discusses the most memorable moments from the final episode -- including the questionably happy ending -- and his last days as the brooding detective.

Directing Wallander: "The Biggest Challenge of My Career"

MASTERPIECE Studio is your backstage pass to the PBS series—from Sherlock to Poldark. After the show, turn off the TV and tune in to MASTERPIECE Studio for the scoop with host Jace Lacob. Listen for exclusive interviews with the cast and crew of your favorite shows. Get the history lowdown behind the people and places you see on screen, and hear revealing stories from the set. MASTERPIECE Studio is made possible by Viking Cruises and Raymond James. Sponsors for MASTERPIECE on PBS are Viking Cruises, Raymond James, and The MASTERPIECE Trust.