Takuya Ohara and Rika Honjoji work at the same travel agency and have never spoken about anything beyond the job. When management announces that unmarried staff will be sent to open a new branch in Irkutsk, Siberia, the two introverts hatch a plan: fake a relationship convincing enough that neither of them gets picked. Keeping the act up means slowly learning to share the life each of them guarded so carefully.