Episode 20 of the fourth season is the Jiangnan unlocking man who changed locks by flying.
Personal data of Li Yang:
Name: Li Yang.
English anchorage: anchorage
Birthday: September 7th.
Ethnic group: Han nationality
Constellation: Virgo
Height:180cm
Graduate school: Shanghai Theatre Academy
Representative works: Agatha's famous mystery drama "Notice of Killing" and musical "Diary of Little Husband".