电影《蜜之哀伤》以一座古老的和式房屋为背景，讲述了一位年事已高的作家（由大杉涟饰演）独自居住其中。他曾经创作了许多优美而哀伤的文字，但如今他的身心状态已不如从前。岁月的流逝使得作家渐渐散发出一股凄凉之气。然而，不知何时起，冷清的房子突然变得热闹起来。一个欢呼雀跃的女孩子悄然出现在老人身边。这个女孩名叫赤子（由二阶堂富美饰演），她整日穿着一袭红色衣裳，在房间里来回奔跑，与老人交谈，夜晚还与老人亲密相依。赤子的身份成为了众人猜测和传闻的焦点，但鲜有人知晓她的真实身份

原来，赤子实际上是老作家养了三年的一条金鱼，不知怎么幻化成了人形，给老人带来了慰藉。然而，老人和赤子这对年龄悬殊的伴侣的宁静生活很快被打破。老人的朋友芥川龙之介（由高良健吾饰演）、卖金鱼的男人（由永濑正敏饰演）以及老人曾经爱慕的女人——如今已成为幽灵的百合子（由真木阳子饰演）接连出现，使老人的生活陷入混乱之中。

《蜜之哀伤》通过金鱼的幻化和情感的纠结，探讨了人与动物之间的奇妙联系以及爱与失去之间的痛苦。影片以古色古香的和式房屋为背景，营造出一种幽静而神秘的氛围。演员们通过精湛的表演将角色的复杂情感展现得淋漓尽致，触动了观众内心最深处的共鸣。

Set in an old Japanese house, "Honey no Sorrow" tells the story of an aging writer (played by Ren Osugi). ) live in it alone. He once created many beautiful and sad words, but now his physical and mental state is not as good as before. The passage of time makes the writer gradually exude a sense of desolation. However, at some point, the deserted house suddenly became lively. A cheering girl quietly appeared beside the old man. The girl's name is Akako (played by Nikaido Fumi). She wears red clothes all day long, runs back and forth in the room, talks with the old man, and is intimate with the old man at night. Chizi's identity has become the focus of speculation and rumors, but few people know her true identity

It turns out that Chizi is actually a goldfish raised by the old writer for three years. consolation. However, the peaceful life of the old man and the young child, a couple with a huge age gap, was soon broken. The old man's friend Akutagawa Ryunosuke (played by Kora Kengo), the man who sold the goldfish (played by Nagase Masatoshi), and the woman the old man once admired - Yuriko (played by Maki Yoko), who has become a ghost, appeared one after another. The life of the old man is in chaos.

"Honey Sorrow" explores the wonderful connection between humans and animals, as well as the relationship between love and love, through the illusion of goldfish and the entanglement of emotions. Pain between losses. The film takes an antique Japanese-style house as the background, creating a quiet and mysterious atmosphere. The actors showed the complex emotions of the characters to the fullest through their superb performances, which touched the deepest resonance of the audience.