Now here’s a challenge worthy of “Dr. Who” or any others expert in the vagaries of the space-time continuum. A prisoner (Tom Cullen) is shown to his sparsely furnished cell where he encounters his cell mate (Michael Gould) reading at the desk. Sitting on the lower of their bunk beds, he notices a red box and asks what is in it. He is advised to leave well alone, but he’s the curious type and so is...