Clara Lam agrees to a flash marriage with Oliver Cannon to ease her ailing grandmother's worries. On their wedding day, Clara misses the appointment due to traffic and a lost token, but Oliver's mother secures their marriage certificate. Three years later, Oliver returns to find Clara has outbid him on a project, sparking his interest. Despite misunderstandings and confrontations, including a dramatic scene at a welcome party, the couple struggles with their feelings and numerous misunderstandings. Their tangled relationships and repeated miscommunications lead to a series of emotional and dramatic events.
