1/10 Newly widowed Cora Seaborne and her young son Francis leave London for Colchester.
2/10 Rumours about the re-emergence of the Essex Serpent are circulating in Aldwinter.
3/10 Cora, Francis and Martha visit Aldwinter and meet the local vicar.
4/10 Will tries to dissuade his flock from their belief in the existence of the Essex Serpent.
5/10 Cora is invited to give a talk to Joanna Ransome's class in Aldwinter school.