When A Man Loves A Woman

Sattawat is a doctor whose mother has a gambling addiction, and Anusaniya's family owns a wealthy company. Sattawat's mother owes a lot of money to Anusaniya's company and in order to erase the debt, Sattawat's mother and Anusaniya's aunt cook up a plan to marry Sattawat and Anusaniya to each other to get rid of the debt.

Anusaniya's half-uncle, Chayakorn, breaks up with his girlfriend, Somika, and reveals his love for Anusaniya. Anusaniya, not wanting Chayakorn to have any hope, agrees to marry Sattawat. Desperate Somika falls for Sattawat but finds out that he belongs to Anusaniya, her greatest rival. In vengeance, Somika tries everything to split the couple.