电影《泪壶》是一部改编自渡边淳一同名小说的情色影片。故事发生在夏天，年仅17岁的朋代（小岛可奈子饰）爱上了新津雄介（石田壹成饰），但雄介却对朋代的妹妹愁子（佐藤蓝子饰）心生爱意。多年后，雄介与愁子结婚，朋代只能将自己的暗恋深埋心底。然而，不久之后，三十六岁的愁子被乳腺癌夺去了生命

在生命的最后时刻，愁子告诉丈夫她的最后愿望：将自己的骨灰制成一只美丽的瓷壶。雄介遵循妻子的遗愿，制作了这个瓷壶，并将其放在身边。然而，就像愁子的灵魂注入了瓷壶一样，这只白色的壶上偶尔会出现朱红色的伤痕，仿佛是愁子的眼泪。因此，这个瓷壶被称为“泪壶”。

愁子去世后，朋代多年尘封的感情重新苏醒，再次爱上了雄介。然而，每当她看到妹妹的瓷壶时，朋代总觉得对不起愁子，仿佛自己背叛了她。而雄介也无法摆脱将朋代当作愁子的错觉，二人之间陷入了一场无法逃脱的爱情纠葛之中。

《泪壶》通过展现这段复杂的三角恋情，深入探讨了爱与痛的边界。电影以其深情动人的故事情节和引人入胜的表演，勾勒出了主人公们的内心纠结和矛盾。观众在片中感受到了爱情的甜蜜与痛苦，以及人性中的矛盾和无奈。

The movie "Tear Pot" is an erotic film adapted from the novel of the same name by Junichi Watanabe. The story takes place in the summer, when the 17-year-old Pengdai (Kanako Kojima) fell in love with Nitsu Yusuke (Ishida Kassei), but Xiongsuke fell in love with Pengdai's younger sister, Shuzi (Sato Aiko). Many years later, Yusuke married Shuozi, and Tomoyo could only bury his secret love in his heart. However, not long after, 36-year-old Shuzi was killed by breast cancer

At the last moment of her life, Shuzi told her husband her last wish: to have her ashes made into a beautiful porcelain pot . According to his wife's last wish, Yusuke made this porcelain pot and kept it by his side. However, as if the soul of Shuzi was poured into the porcelain pot, occasionally there would be scarlet scars on the white pot, which seemed to be the tears of Shuzi. Therefore, this porcelain pot is called "tear pot".

After Sousuke passed away, Tondai revived the relationship that had been dusty for many years, and fell in love with Yusuke again. However, whenever she saw her younger sister's porcelain pot, Tomodai always felt sorry for Shuzi, as if he had betrayed her. And Xiongsuke couldn't get rid of the illusion of treating Pengdai as a sad son, and the two fell into an inescapable love entanglement.

"Tear Pot" explores the boundaries of love and pain by showing this complicated love triangle. With its emotional and touching storyline and fascinating performances, the film outlines the inner entanglements and contradictions of the protagonists. In the film, the audience felt the sweetness and pain of love, as well as the contradictions and helplessness in human nature.