Gather The Arsenic! Break Out The Cyanide!

Jennifer Garner IS... Miss Marple? WHAT?!?!? That is... Who thought... Why in the... WHAT IS WRONG WITH THESE PEOPLE?!? All I know is whoever came up with this idea better not travel on the Orient Express or the 4:50 from Paddington any time soon. She might be dead, but Christie can still plot the perfect murder, and I don't see any spinster aunts or Belgian toffs lining up to solve this one, Mr. Hollywood Producer.