Koi is a young woman who has grown up in a rubber tree plantation her entire life, and now has dreams of improving it. Unfortunately, the powerful millionaire who is the plantation's creditor has plans to seize it for himself, but Koi refuses to allow that to happen. Trin is a young businessman who owns a rubber mattress factory and makes an offer to buy her family's plantation. Because Koi has no intention of letting anyone take her plantation, the two enter into a rivalry.