Chummy and PC Noakes meet with new challenges as they settle back into life in Poplar. Fred is in high spirits when his pregnant daughter, Dolly, and her young son, Anthony, arrive to stay with him. Jenny's own jubilation comes in the form of potential love interest. The winds of change are blowing through Poplar, as old buildings are demolished to make new way for new flats, a situation that reaches crisis point when the convent comes under threat.