Wrong encountering, ignites the fatal spark. If they should be neither lovers, nor friends, how should they be?

A chance encounter between two people in long term relationships, one a ten-year relationship, the other a three year one. CEO of a trading company is intrigued by the young woman he meets by chance. Her offer to buy him coffee for his finding and returning possession of hers, leads to interest on his part, disinterest on her part, manipulation on the part of his partner, and neglect on the part of her fiance. Sparks are kindled, but obstacles collude to interfere with attraction and love.