A teenager is accidentally transported back in time where he meets his young parents during their college days. He then decides to alter the events to revive his parents' lifeless marriage.

Things get complicated when Yam's adult sons fall head over heels in love with the adult daughters of his rival.

In 1973, Bua, a 17-year-old mixed-race girl who grew up amid a small charcoal kiln in Samut Sakhon, dreams of travelling to Bangkok to search for her missing singer mother.