+18 A Northern Light Plot Summary Ideas. The novel begins in the present day, with teenaged mattie cokey working at the glenmore, a hotel on big moose lake, to earn money during the summer. A young guest of the glenmore hotel is pulled from big moose lake in the adirondacks after going boating with her lover.

Her mother have passed away and her older brother left, so she lives with in her father's farm with her three younger sisters, abby, lou, and beth. The novel is written in alternating chapters from the past and present. The novel begins in the present day, with teenaged mattie cokey working at the glenmore, a hotel on big moose lake, to earn money during the summer.