What ought to have been night of celebration turns sour for Grand National winning owner "Coates" (Nigel Patrick) when a contretemps with his drunken wife "Babs" (Moira Lister) leaves him the subject of a police investigation. The thing is - what really happened that night and can the pernickety "Insp. Ayling" (Michael Hordern) piece it all together? Lister features but sparingly, but her charactever mais...