Marina works part-time in a warehouse for the minimum wage of 951 yen an hour, due to her husband's low income and the resulting financial hardship. For the sake of their beloved son, the couple strives to make ends meet, but monthly living becomes so tight that one day, Marina ends up stealing merchandise. Seeing this, the manager, Oki, approaches Marina, asking her if she'd like to get a side job, and he'll keep quiet. To protect her family, she gives in to him. Inside the warehouse, Marina...