A couple on their honeymoon is about to return to the city. On the last day, one of them disappears. The mystery returns to Calcutta one night...via Darjeeling. Faces are unmasked. New discoveries made.
A stockbroker who moves into a flat finds that he cannot sleep because of the loud whistle blown by the night-watchman. This leads him into conflict with the building's secretary who insists on the use of the whistle.