takes on the role of Panrawi, a woman trying to maintain her station in life. She is married to the wealthy Rangsi Soriyathit played by Pisan Akarasene. Rangsi and Panrawi have no biological children together, they do have one adopted son Passakorn Nat Devahastin na Ayudhaya. Rangsi does have one biological child with another woman, Rangrong played by Aom Piyada. Rangsi did not know of her existence until she was grown. Rangrong is a feisty young woman out for revenge on Panrawi the woman who harmed her mother and to claim what’s hers, which is Rangsi’s inheritance. Rangrong ended up not really being the biological daughter of Rangsi. What happened in the parents' younger years, Panrawi did not want anyone to take Rangsi away from her because she really loved him. Rangsi fell for this women that played a traditional Thai musical instrument at an occasion he attended. Rangsi ends up getting her pregnant. Rangsi and Panrawi got married but this other woman was still in the picture making Panrawi mad. Panrawi takes this woman to an abortion center. Every viewer is supposed to think that this woman refused to get an abortion and the child ended up being Rangrong. That is wrong. The other woman really had an abortion. She used her talent to play near the temples when one day another woman shows with her young newborn. Fang snatches that child, which is really Rangrong. So, The lakorn goes on with Rangrong being the victim until DNA proves that she is really not a member of Rangsi's family. So, Rangrong turns into the n'rai in the lakorn, which made it a really out-of-the-ordinary lakorn. Rangrong makes a fake will forcing Rangsi to sign everything to her. After he signs, she then kills him. Panrawi does all that she can to take care of Rangrong but they were just equally tough. The bad that Panrawi had done in her past came back to her and now she is faced with Rangrong, who was taught by Fang to get revenge for her and to take over everything that really belongs to them. Rangrong had a hard time believing it too that she was not Fang's child but still went on with her evil life since she had nothing to lose anymore. Rangrong's real mother ended up crazy the day her newborn was snatched from her. So, Panrawi came in the contact with this woman by accident and does all that she can to determine if Rangrong was hers. Panrawi almost succeeds until Rangrong killed her own mother by dropping her in the water. Rangrong does all this horrible things making Panrawi become the victim. In the end, Rangrong commits suicide to wash away the sins she created after she was caught. Panrawi ends the lakorn by making a statement about doing good and good will come but if you do bad then bad will come.
Artit Ching Duang is aired in Malaysia's TV3 last July 20, 2010 entitled "Striving For A Sun". From Mondays to Thursdays at 3:00 pm.
It aired in Vietnam on TodayTV VTC7 beginning February 11, 2011 entitled "Vượt qua bóng tối".
In a different Vietnamese dub of the show, entitled "Dòng máu cuối cùng", some characters have different Vietnamese names, Saenglaa is Lệ Nga, Rangrong as Thiên Nhũ, Rangsee is Ran Sĩ, and Parnrawee is Nguyệt Phan.