In Tekken 4, Ling learns that her life in threatened by Heihachi and this turns out to be enough of a motive to make her enter the new tournament to try to find out the truth about Heihachi and his powerful company. Ling finally wins the tournament and takes over the Mishima Zaibatsu company, but she still dreams of building her amusement park.
The story goes on as she is now on a mission with Jin Kazama to save the Mishima family. She soon discovers that all the problems began when Heihachi decided to raise his son in a cruel manner. Ling will find out that Heihachi was killed and is saddened to hear such news. The fate has it that she will meet a great scientist that will promise her time traveling machine if she gets the funding. The only way to raise enough money will be to enter a new tournament. Ling wins the tournament once again but is not able to change the past and save everyone, as she fails her attempts.
Heihachi did not die and in Tekken 6, Ling finds out that her love interest, Jin, plans to kill Heihachi himself. She is now on a mission to stop him, but it’s nearly impossible to reach Jin. She enters the 6th tournament in the hopes that she will meet Jin and stop him once and forever. The story stops there as she can only dream of meeting Jin again and telling him what she feels.
Tekken 7 will unveil the way this romance will carry on and if she can turn him back from his mission. She is one of the shortest female characters in Tekken but also one of the strongest and most agile, as she can win the tournaments with great ease.