After being released from prison, Sweet Potato settles for his small job on the waterfront, living off meager earnings and ignoring the advice of those who suggest he move on. However, he is drawn back into the whirlwind of the past when the old boss, his mother, and eventually his friend Maozi reappear in his life. One by one, they forcefully take control of his present, erasing any hope for the future. Only Seven manages, to some extent, to ease his anxieties. One day, against the backdrop of an oppressive and smog-laden coastal landscape, Sweet Potato is finally granted a meeting with the boss.