Sid's present for Sullivan is not one suited to be opened in the presence of his family.

Sid and Sullivan discuss Christmas

After almost settling in Kembleford, Bunty WIndermere finds that Inspector Sullivan is fast becoming the most compelling reason for her to stay. Inspector Sullivan is shocked to realise how steadily his little world is starting to revolve around the local countess' niece.

After he's invited to a shoot at Montague, Sullivan remembers his childhood. Inspired and assisted by my friend Kos.

Sullivan becomes Bunty's unlikeliest new pal as she 'volunteers' in Kembleford Library

CW suicide attempt. Father Brown fears that he won't be able to save Sullivan from himself