The family's maid goes into labour, so Leslie sends Larry to fetch Dr Petrides. However, he finds the doctor occupied, as he is in the middle of delivering his own wife's baby. Hugh has a proposition for a startled Leonora, which she promises to think about - but an altercation with Vasilia nearly ends in tragedy for them both. Donald attacks a rival suitor for Margo - who finds herself quite delighted by the thought of two men fighting over her - while Theo and Gerry make a discovery at the otters' den.
On a Sunday morning in Grantchester, Sidney visits the Archdeacon to discuss his resignation. Sidney has lost his faith in a church that won't allow him to be married to the woman he loves. With a heavy heart the Archdeacon tells Sidney he must go away and write a resignation letter in order to make it official.