Ib and Boum decide to commit suicide together in Bangkok in 1997. After reneging on the promise, the vengeful ghost of Ib returns 20 years later to haunt Boum and her 15 year old daughter, Bell.
A woman suffers from a rare form of temporary amnesia, lasting for a day. Her shy colleague, who is secretly in love with her, tells her that they are a couple in order to experience being with her for just one day.
Over the years, awkward Guy keeps falling for confident June in the wrong places at the wrong times, leading him to believe fate is playing tricks on them.