 A week later, the Trotters return home to their flat to see that Pauline cleaned it and left a letter for Del before she left informing him she had dialed the speaking clock in America.Rodney comes clean when he says that it was he and Grandad who put Trigger up to phoning Del, who then forgives his younger brother and grandfather.Grandad goes to answer the phone, and Del and Rodney order him to hang it up, risking a huge telephone bill.