'Ek Din', produced by Aamir Khan, tells the story of Dino (Junaid Khan), an awkward IT professional who harbors unrequited love for his colleague Meera (Sai Pallavi). The film unfolds during a five-day office trip to Japan, where a wish leads to a day of romance after Meera suffers from Transient Global Amnesia (TGA), causing her to forget their time together. Despite its intriguing premise, the film struggles to create chemistry between the leads and fails to evoke the emotional depth found in other love stories. Critics noted that while the film attempts to explore themes of love and memory, it ultimately falls flat, lacking the heartfelt connection that made 'Saiyaara' resonate with audiences. Sai Pallavi's performance marks her official Hindi cinema debut, but her character remains largely undefined, overshadowing her efforts. Overall, 'Ek Din' is seen as a forgettable addition to the genre, despite its beautiful Japanese backdrop.