End is the final instalment of David Eldridge’s trilogy of plays for the National Theatre, also made up of Beginning and Middle, in which he follows the story of a couple, any couple, in three pivotal moments of their relationship. Each of the plays is performed by a different pair of actors. This time it’s the turn for Saskia Reeves (Slow Horses) and Clive Owen (Children of Men, Closer) to play the middle-aged couple in a particular moment that brings their relationship bto