My Missing Valentine

My Missing Valentine  is a 2020 Taiwanese romantic comedy film written and directed by Chen Yu-hsun, and starring Liu Kuan-ting, Patty Lee. The film was released in Taiwan on September 18, 2020, and it was selected for Open Cinema of the 25th Busan International Film Festival on October 29. It received 11 nominations at the 57th Golden Horse Awards, winning Best Feature Film, Best Original Screenplay, Best Visual Effects, Best Film Editing and Best Director for Chen.

Synopsis
A girl who does things so quickly that she's always one step ahead of others discovers that her Valentine's Day has mysteriously passed when she wakes up the next morning.

Cast

 * Liu Kuan-ting as A Tai, a bus driver
 * Patty Lee as Yang Hsiao-chi, a post officer
 * Duncan Chow as Liu Wen-sen, a dance teacher
 * Joanne Missingham as Ye Pei-wen, a post officer
 * Ayugo Huang as Yang Hsiao-chi's father
 * Heaven Hai as Scam victim

Remake
My Missing Valentine was remade in Japan as One Second Ahead, One Second Behind in 2023, with the genders of the protagonists reversed. It was adapted by Kankurō Kudō and directed by Nobuhiro Yamashita.