An imperial agent gets ridiculed for his various inventions, until his supportive wife encourages him to attend a conference, which's actually a trap to kill all the doctors serving the emperor, where his crazy inventions come in handy.
1993
1997
1978
1980
2010
2003
1974
1999
2015
1983
2004
1996
2000
2002
2008
1995
1971