What does the last episode of Soul Ferry mean? What does it want to express?

The last episode of Soul Ferry was the ending of the TV series, Soul Ferry, which mainly told the story between the soul world and the real world. In the last episode, Zhao Li and Xia Dongmei successfully rescued the imprisoned souls with the help of the ghost realm and let them return to the human world. However, Xia Dongmei discovered some secrets. It turned out that some evil forces in the soul world had been secretly manipulating everything. They tried to obtain more power and control the world in this way. Through the reversal of the plot and the twists and turns of the characters 'fates, the entire movie presented a profound and mysterious atmosphere that brought great visual and emotional impact to the audience. At the same time, it also expressed a deep thought about human nature and morality, allowing people to have a deeper understanding of life and death.