When Nini gets her hands on what she thinks is a pebble, she decides to keep it and forgets about it. Little did she know it was actually a priceless rough diamond that belongs to a big mafia boss. When she starts being chased by those who are after the diamond, the only person who can protect her is Nakan, the man who broke her heart three years ago. Nakan's case requires a believable decoy, so he and Nini must team up. Their relationship is supposed to end when the case is closed, but Nini has a few tricks to pull.
Because of her mother's promise, she must come back and take care of him. Kulthida, a Thai-American with a high IQ, is sent to Thailand for six months to be the maid for Rawit—a widower who has left his life remain in ruins—and also take care of his son Ramil. If she is unable to successfully complete this task, Kulthida will fail to be the manager of the company Made to Your Home, which has always been a dream of hers. Her mission isn't only taking care of father and son, but also taking care of the assets of the Phiphatphong family which has led the family to be divided and fiercely competitive for money and property.
Sompho has lived with her single mother Nongnuch since birth. They have to contend with a sharp-tongued landlord, Paula. Working at a resort, Sompho meets Kumpha who was sent to look after two VIP guests. There's a misunderstanding and, thinking her a thief, Kumpha nearly turns Sompho in to the police.