What episode is the beheading of Princess Huanzhu?

Episode 29 According to the episode 29 of the TV series Princess Zhu Huan, the desperate Swallow and Wei Zi are caught up in the execution ground by prisoners. On the way, the people were so excited that they rushed to call on people to stay under the sword. However, Swallow and Wei Zi were supported by the people before they died, which really shocked the prison officials. Therefore, the special soldiers went back to the palace to ask Gan Long's permission. Therefore, the TV series Princess Zhu Huan was killed in the 29th episode.