Chiltern Railways is a client of Connect Group.
Chiltern Railways' commuter-focused service - Mainline, has the strap line 'Nice & Fast'. These two traits coat the way in which the sub-brand speaks.
So, when they booked ad space outside a large supermarket I jumped on the opportunity to create a tongue-in-cheek retail piece.
It's not often you get to use cliches and be thanked for it.