电影《婚前OL》讲述了在编辑制作公司工作的花音，她拥有一位爱人尚也，是一名杰出的白领。尚也考虑与她结婚，但花音希望继续自己的工作，暂时推迟婚事。花音的公寓附近有一家酒吧，经常有几名客人和酒吧老板藤枝的青梅竹马岸田在那里喝酒。尽管两人都已经过了五十岁，藤枝在营业时间还忙着给女性发信息，让岸田虽然感到吃惊，但也有些羡慕。藤枝与四十多岁的已婚女性えり子有一段不伦之恋
某天，花音在打工作电话时偶遇了前男友恭介，并决定和他一起去藤枝的酒吧。在那里，恭介得知花音收到了尚也的求婚，他心情复杂，因为刚刚被女友甩掉。在尚也出差的时候，花音借机邀请恭介到她的房间。两人在怀旧的回忆中相互拥抱，激情澎湃地迸发出爱与欲望。
《婚前OL》通过展示花音和恭介之间的感情纠葛，勾勒了现代都市中复杂多样的爱情图景。花音在事业和婚姻之间犹豫不决，她希望继续工作，追求自己的梦想，但同时又面临着爱情的选择。恭介则经历了失恋，心情颇为矛盾，但在花音的引诱下，情感重新燃起。影片以现实生活中的情感挣扎为切入点，深入剖析了婚前的复杂心理。
The movie "Premarital OL" tells the story of Hanane who works in an editing and production company. She has a lover, Shangya, and is an outstanding white-collar worker. Shang also considers marrying her, but Kanon wants to continue her job and postpones the marriage for now. There is a bar near Kanon's apartment, and several guests often drink there with the bar owner Fujieda's childhood friend Kishida. Although both of them are over fifty years old, Fujieda is still busy sending messages to women during business hours, which makes Kishida surprised but also a little envious. Fujieda has an affair with Eriko, a married woman in her forties
One day, Kanon ran into her ex-boyfriend Kyosuke during a work call, and decided to go to Fujieda's bar with him. There, Kyosuke learns that Kanon has received a marriage proposal from Naoya, and he has mixed feelings because he was just dumped by his girlfriend. While Shangya was on a business trip, Kanon took the opportunity to invite Kyousuke to her room. The two embraced each other in nostalgic memories, and passionately burst out love and desire.
"Premarital OL" outlines the complex and diverse love scene in the modern city by showing the emotional entanglement between Hanon and Kyousuke. Huayin is hesitant between career and marriage. She hopes to continue working and pursue her dreams, but at the same time she is faced with the choice of love. On the other hand, Kyousuke experienced a broken relationship and was quite conflicted, but under the lure of Kanon, his emotions were rekindled. The film takes the emotional struggle in real life as the starting point, and deeply analyzes the complex psychology before marriage.
