Catherine Tate's iconic character Nan hits the big screen as she goes on a wild road trip from London to Ireland with her grandson Jamie to make amends with her estranged sister Nell. Militant vegan arsonists, raucous rugby teams, all night raves and crazed cops on motorbikes all make for a proper day out. An origin story that mixes Nan's present with her past where we finally find out what's made her the cantankerous old bastard she is today.

When Peter, an anxious arcade owner, is prescribed an app rather than sleeping pills, he reluctantly tries it out. However, far from bringing rest, Erebus’s soporific voice takes Peter into a waking nightmare from which he may never escape.