In Princess Zhu Huan 2, which episode did the princess become a butterfly and escape?

The swallow was snatched from the prison car in episode 29.

Episode 25

Under the arrangement of Er Kang and Yong Qi, Han Xiang and Meng Dan's escape plan was finally implemented. Swallow and Wei Zi thought that the excuse to make the princess live longer baffled Gan Long, but something happened while transporting Han Xiang out of the palace. Fortunately, unsuspecting Sunny coincidentally lifted the encirclement, and finally Han Xiang escaped from the palace. However, in order to explain the disappearance of Princess Fragrant, Swallow and others lied to Gan Long that Fragrant had become a butterfly. People in the court are dubious about this, especially Gan Long can't accept this fact. When he was sad, he made Swallow and Wei Zi swear to take poison.

Episode 29

Swallow and Wei Zi, who died in despair, were taken to the execution ground by prisoners. On the way, people were so excited that they scrambled to block people from the sword, but Swallow and Wei Zi were able to win the support of the people before they died, which really shocked officials! Therefore, the special soldiers went back to the palace to ask Gan Long's permission. However, just when Ganlong was softened by everyone's persuasion, Erkang's escape made Ganlong angry again! So I gave an order, "Kill without forgiveness." Swallow and Wei Zi are meant to be. With the help of Xiao Jian, Meng Dan, Er Kang, Yong Qi and Liu Qing, they were finally rescued and quickly hid in a farm.

Episode 30

The escape of the swallow and others greatly shocked the palace. In addition to issuing a wanted order immediately, Ganlong was deeply angry because of the humiliation of the royal family. Er Kang and Liu Qingsan brothers and sisters hurried to rescue the golden lock that was sent to the border. After some fighting, they finally rescued the scarred golden lock. Wei Zi was very happy to see Golden Lock return. Just as everyone was excited about the reunion, the pursuers came to the farmhouse to patrol. Thanks to the clever skills of the peasant woman, everyone escaped again. Meng Dan, Han Xiang and Er Kang decided to flee to the ends of the earth separately, so they held a warm wedding for them on the eve of separation.