BBC One has released a trailer for the upcoming fourth season of crime drama Wallander.

Sir Kenneth Branagh, who returns as Swedish detective inspector Kurt Wallander for a final three episodes, has hinted that “this last series of films contain some of the greatest challenges the character has ever faced.”

> Buy the complete Season 1-3 box set on Amazon.

Season 4 begins at 9pm on Sunday 22 May on BBC One.

Watch the trailer…

Are you looking forward to Season 4? Let us know below…