魔力之鑽是改編自เพชรตาแมว(鑽石眼貓咪)這部作品,最早是1972年版的電影,第二次翻拍是1989年的電影,第三次翻拍是1999年的五台電視劇版,下面有電影版的英文劇情簡介,但是不知道Weir這版的劇情會改動多少: 1972年電影版: Three men are looking in a remote cave for a mystical cat having real diamond eyes. Chat is the one who finds it first but fighting happens with another man. They shoot each other. The third one being a Prince (หม่อม)(Manop Aussawathep), who finally keeps the jewel and doesn't give it back to Chat's daugher. Ten years have passed. The prince is now disabled, lost his wife and child. The jewel brought him bad luck as he is not the real owner. Niphon (Surasit Sattayawong), Tawan Siriwat, Sisala Thongtara, Sukon Koewliam are his domestic helpers. Tawan Siriwat hires a young lady to get the jewel from the Prince. Meanwhile the prince asks Yot (Phairoj Jaising), being a police inspector (สารวัตร), to look for Chat's daughter called Bussayarat. Bussayarat is now a nurse (Naiyana Shewanan). Sompong Phonmitr is her father and wishes to marry her to a local ruffian in order to get money to continue to buy alcohol. Yot helps Bussayarat aggressed by those ruffians. Yot brings Bussayarat to Bangkok in order to meet the Prince believing he found Chat's daughter. As Bussayarat has still a father, the Prince claims she is not the Bussayarat he is looking for but keeps her as a nurse. Niphon introduces to the Prince a fake Bussayarat played by Malalin Bonnak. The Prince asks for 7 days to ensure (สอบถาม) she is the real one. Meanwhile Tawan Siriwat also introduces to the Prince another fake Bussayarat played by Khomapat Attaya. The diamond is sacred (ของศักดิ์สิทธิ์) so it will bring bad luck to malevolent people. Tawan Siriwat, disguised as a ghost (ผี) frightens Malalin to chase her away. Khomapat also faces many black cats in her room and flees. Niphon is married to Nuan (สุพรรณ บูรณะพิมพ์). Nuan is elder sister of Malalin. Niphon is thinking to flee with Malalin when they get the diamond. As Khomapat is in hospital following her shock, Niphon cuts her oxygen approvisionnement to get rid of a competitor. Seeing Yot loving Bussayarat, Malalin is jealous and tries to take Yot away from Bussayarat. Meanwhile Yot is sent by the prince to meet Phra lo (Lor Tok) in order to bring back the diamond. Tawan Siriwat sends some ruffians to steal it but it fails. A ceremony to handover the diamond (มอบเพชร) to Malalin is organised. It ends badly with Tawan Siriwat trying to steal the diamond and injuring Malalin. Yot shots Tawan Siriwat. Being disfigured, Malalin asks Bussayarat to get the diamond for her so that she can have chirurgical operation. Having the diamond, Malalin prepares to flee with Niphon. Khomapat's aunt called Nathalie shots Malalin to get the diamond. Many deaths happen due to the evil power of the diamond (อำนาจของเพชรตาแมว). Nathalie becomes crazy after Niphon steals the diamond from her. Niphon is chased by the police. He shots by mistake Nuan and finally falls from a building. During an official ceremony, the Prince gives back the diamond to Bussayarat.
1989年電影版: Chai (Apichat Halamjiak), Chat coming with his daughter, Dam (Dam Datsakorn) are involved to catch a mystic cat spirit (แมวดำตาเพชร). They wish to get a diamond located in the cat's eyes. Some hunters fail to kill it so they are going in a remote mountain to catch it in his cave. The cat makes the hunters to kill each other. Chat finally gets the diamond and before dying, he asks Chai to give it to his daughter when she is adult. Years have passed. Kong Yot (Yuranan PamornMontri) is a policeman (หมวด) and Chai's good friend. Busarat (Thida Thidarat), Chat's daughter, is the real owner of the diamond. She was raised by Dam. Sia, older man, wishes to marry Busarat but she doesn't love him. Niphon uses a professional masseuse (หมอนวด) as a fake nurse to take care about Chai. He wishes to get the diamond also. But the nurse is thinking about a wedding being interested by the heritage but Kong Yot is around. Kong Yot hires real Busarat as nurse as he knows she is dedicated as he met her before in hospital. Three ladies now claim to be Busarat. One dies by falling in the stairs being shocked seeing somebody disguised like a ghost. Niphon (Kowit Wattanakul) gets blamed as he guaranteed she was real Busarat. Another supposed young lady, foreigner Natalie, asks for the diamond also. She is lover with the house driver. They end up in jail as identified as dishonest people by Kong Yot. Chai finally gives the diamond to another Busaba following nightmares. Chai wishes Busaba's father to be with her. Back to her province, gun shooting happens with Sia as he still wants Busaba to be his wife. Dam is injured during the shooting and Busaba realises she is the real daughter of Chai as she doesn't have the same blood group as Dam. Niphon and fake Busaba are lovers. Finally Niphon's wife, Niphon and fake Busaba kill each other due to greed. Only the real owner can keep the diamond safely. Busaba, identified as Chat's daughter, receives the diamond and following a dream involving the spirit (วิญญาณ), she brings it back to the cave. She can have now happiness with Krong Yot.