The real identity of the smiling hero is the real liyao. In the TV series Happy Face, many people's faces have changed, and the paralyzed Xiaojie is one of them. Pan changed into a criminal's face, and really lived with Li Yao's face, but the real Li Yao seemed to turn into air. It can be inferred that Xiaojie may be the real liyao.

In the play, since the hero Pan was unexpectedly changed face, people have been changed face after face, which makes the whole story very strange. In the TV series, although Xiaojie is physically disabled, he has acted many times.

Moreover, he is a key figure in the play, so Xiaojie's identity is also very special. In the following plot, Xiaojie really played a big role in helping Pan investigate the real murderer.

Extended data:

"Happy Face" is a suspense crime TV series, which tells the story of plastic surgeon Pan being transsexual. The person who changed Pan's face has superb surgical skills. He changed Pan's face into a criminal named, probably to get back at Pan. As for why he wants revenge, this is also one of the many doubts in the play.

Pan, who was completely transformed, collapsed badly, but later pulled himself together to investigate the truth. With the unremitting efforts of Pan and the police, the great secret hidden behind the incident gradually surfaced.