After her husband dies in a car crash, Siu Wai (Cecilia Chung), with a son to support, decides to take over her husband's job as a bus driver. Driving her route, she grows close to passenger Dai Fai (Lau Ching Wan), who provides a sympathetic ear. But as they fall in love, Dai Fai has second thoughts about whether his burgeoning feelings of love are the real deal. Dating's hard … in any time zone!