Lisa McGee is back doing what she does best: Writing bizarre situations for a group of teenage school friends wrapped up in a ‘90s soundtrack. While she rose to prominence with Derry Girls featuring Nicola Coughlan in 2018, her latest series, How To Get To Heaven From Belfast, is as if Erin (Saoirse-Monica Jackson), Clare, and Michelle (Jamie-Lee O'Donnell) accidentally murdered “the wee English fella” (Dylan Llewellyn) and Sister Michael (Siobhán McSweeney) tried to hunt them down 20 years late