the next day, frank and joan have tea with mo, who seems to have become more lucid and reminisces with them about their childhoods. however, mo believes that frank wants to kill her, having forgotten about the letter she wrote to him. in a heated confrontation, she smashes a teapot. joan leaves walford that evening, and agrees with frank that they should keep in contact for mo's sake, although her departure is marred by mo's insistence on leaving with her - she is still afraid that frank wants to kill her. joan placates her by saying she will talk to graham first.