Call the Midwife - Season 8 Episode 6 -

Mother Mildred returns to Nonnatus while Nurse Crane is in hospital receiving treatment for her back. With help from Trixie, she provides care for a retired dock worker whose former job has taken its toll on his health, only to discover his son may be suffering from a more severe condition. However, her insensitive manner angers the family and they refuse to let her help them.