The clock ticks down to the rendezvous time for the escape, but there's no word from Sarada. If they miss this chance, everything will be ruined. Boruto puts his faith in Sarada and proceeds as planned with Mitsuki and Kokuri. Meanwhile, Sarada's lost consciousness from falling to the underground level of Hozuki Castle.

One rainy night, guided by Mikazuki the cat, Mitsuki rescues an injured man. Mysteriously, Mikazuki seems to take a liking to the man who says he’s come to visit his sister who works in the Leaf Village. Soon after, Team 7 is assigned to back up the Leaf Police Force on a security mission. Their client is a president of a company who is being targeted by a serial killer known as "The Rainy Day Killer.