Mr & Mrs Murder (2013)

S1E9 The Art of Murder

When the lifeless body of a homeless man is discovered trapped beneath a movable wall at a contemporary art exhibit, authorities initially label it as a botched robbery. However, skeptical of this conclusion, Nicola and Charlie launch their own investigation to uncover the truth behind the tragic incident. As they dig deeper, they begin to unravel a web of deceit and hidden motives intertwined with the art world.