I’ve never had a fit, and to be honest, it’s not high on my list of things to do. But after watching Bryn Higgins’ Electricity, I feel like I’ve got an inkling of how horrible it is. This tightly focused character drama puts its audience in the shoes of Lily (Agyness Deyn), a cool, smart and attractive young woman with debilitating epilepsy.

As we open in the Yorkshire seaside town of Saltburn by the Sea, we meet Lily working the change counter in a seafront amusement arcade. Today, she’s having some fun flirting with a customer, teasing him as he clumsily chats her up. But he’s nice enough, so the two swap numbers and make a date. Later, dressed to the nines, she walks down the seafront, spots him and waves. Then the world ends. Shooting sparks of colour tear apart the frame and the world heaves,...