Even after solving the previous case, the Beni Detective Agency's daily life continues unchanged. Then one day, a young man comes to the office who admires Reiji and wants to work there. His name is Yusuke Yanagisawa. The first request that the two of them make is to investigate the disappearance of a sword used in a play. The client is the leader of a troupe of traveling entertainers.

Later released on DVD, Kamen Rider Kiva: Final Stage is the final stage show and cast talk show of Kamen Rider Kiva. Recorded January 31st, 2009 at Nakano Sunplaza Hall.