Sood Tae Jai Ja Kwai Kwa (2008)

Follows five siblings whose lives are shaped by their father's love and favoritism. Pol, the father, set high standards for his eldest son, Pong, who excelled in his studies and became the favorite child. Meanwhile, their mother, Boonsong, tried to shield the other children from their father's unfairness. As Pol's love and support focused solely on Pong, he grew self-centered and selfish. This tale highlights how a parent's unequal love can deeply impact their children's lives.