Jack suspects that Doug may be involved in the disappearance of their neighbour Lillian Stokes, after he discovers Doug has disposed of a number of letters addressed to Lillian that he claimed he was going to forward on to her new address in New Zealand. Jack and Andrea choose to forgo a night of passion and instead go on a 'first date', while Don's continued deteriorating health leads Jack to a difficult situation. Later, he arrives home to find Don being taken away by paramedics, having had a heart attack.