In 1930s England, the lives of orphaned young Rowena and her aunt Miriam are changed by raising an abandoned seal pup, Laura, attracting the attention of naturalist Dr Bernard Lacey.
Episode 1
Orphaned Rowena arrives in Norfolk to stay with her Aunt Miriam. Miriam is shocked when Rowena rescues a seal pup after a hunter kills its mother.
Episode 2
Taking care of Laura the seal helps Miriam and Rowena to grow closer.
Episode 3
Naturalist Dr. Bernard Lacey stays at the cottage while studying geese on the marsh. Rowena takes a liking to him and - secretly - so does Miriam.
Episode 4
Miriam is caught off guard when Bernard asks if his fiancee Sylvia can stay with them.
Episode 5
Rowena prevents Bernard from leaving after Miriam misunderstands a show of affection. Rowena becomes lost in the notorious marsh mists.
Episode 6
Bernard has to make a difficult decision which results in strained relations at the cottage. A hint of mutual understanding develops between Rowena and Ted Yeoman.