But what caused the rift between single mum Morna and solid, reliable, happily married Athol? In an absorbing 80 mins, David Harrower’s intertwined monologues reveal how different their two lives have been in this low-key, quietly engaging two-hander. LK

Kilburn High Road, NW6 7JR | Until Jun 2 | £14-£24 
Tube | Kilburn