Why Didn't They Ask Evans Movie Trailer HD - Plot synopsis: Hugh Laurie's adaptation of this Agatha Christie classic opens with a man dying at the foot of a cliff.

With his final breath, he utters the mysterious question of the title.
To answer this question, Bobby Jones (Will Poulter) and Frankie Derwent (Lucy Boynton) hit upon a dark conspiracy of deceit, betrayal and - perhaps unsurprisingly - murder.