Playing Nice is beautifully done – but they miscalculated the opening scene

There must have been a time when slow-burn psychological thrillers didn’t start with a scene of high drama followed by a caption that reads ‘Three months earlier’ – but if so, it’s getting hard to remember it. The latest programme to deploy the tactic was Playing Nice, which began with James Norton running towards the sea screaming ‘Theo!’ as a child’s body bobbed, face-down, in the waves.