在特別的日子，女孩精心裝扮要出門給男友一個驚喜。再三確認自己的樣子後便準備出門沒想到一開門後便失去意識，感覺像沉入大海。再次睜開眼，女孩看見了魚群們在盯著她看，意識還不清醒的她左顧右盼，對於陌生環境感度有些焦慮。心情緩和後，決定開始欣賞身邊的風景，遇見了各種海底動物。在欣賞著景色的途中，遇見了一隻似乎在指引著她的‘’戀愛魚‘’，女孩便開心地跟上。戀愛魚帶領著她進入一處神秘的洞穴，在那之中，女孩看見了她與男友的美好回憶。突然間她甦醒了，發現自己躺在地上，再次整理好後繼續去赴約。抵達赴約地點後，她看見男友正在搭訕其他女生，女孩心裡想著沒關係可能是誤會，男友是愛著她的。但接下來她親眼目睹了男主與陌生女子的種種親密行為，這讓女孩難以置信、傷心欲絕，思緒混亂的她想了很多不同的劇情，但最後還是選擇相信男友，忽略她所看到的一切。
女孩的閨蜜看不下去女孩的自我安慰及欺騙，以及她期盼著討好男友的想法。閨蜜決定要打醒女孩，打中的瞬間，噴出了花瓣，打中不僅僅是女孩的幻想，更多的是讓‘’戀愛腦‘’的現象消失。女孩在最後也終於認清了現實，留下了傷心的眼淚，腦中的愛意都消散掉了，也與這段戀情告別了。
On a very special day, a girl dressed up beautifully and wanted to give her boy a surprise. However, when she opened the door, she felt like sinking into the water and then she passed out.
when she opened her eyes again, she seems to see fishes staring at her. She looked around with anxiety, not knowing where she was. After she calmed down, she decided to discover this environment and saw a lot of sea animals.
During her travel, she found a really special fish called “LOVE FISH” that is trying to guide her to a cave. In the cave, she saw the happy memories while she was hanging out with her boyfriend. Suddenly, she gained her consciousness and found herself lying on the floor. One more check of her appearance, and she went out to meet her boyfriend.
When she arrive, she saw her boyfriend picking up with another girl. She was thinking that there might be some misunderstanding and she believed her boyfriend loves her. Nevertheless, she saw her boyfriend, flirting with the other girls. She felt sad and had been thinking a lot but finally she decided to forgive her boyfriend and pretended she has see nothing.
The bestie of the girl hates her self-comfort and her trying to please her boyfriend, she decided to give her a shot. When the shot hit the girl there were blossoms and also the imagination and the stupidly love brain of the girl.
Eventually, the girl was awakened by her bestie and decided to say goodbye with this relationship.
