After her husband disappeared leaving behind debts three months ago, Mari and her only son Masaru lost their home and were looking for a place to stay. In the midst of this, they happened to stop by a condominium that was up for sale, where a salesman approached them with an "experience living campaign," leading the two to end up staying there… Forgetting unpleasant things, the two soak in the spacious bathtub. However, it didn't take long for reality to catch up. The next day, the same salesman visited Mari again…
