Usagi and Ranma followed the messenger to an underground dance party.
They went into the Elevator and headed all the way down to the 3rd level.
A scanner scans both of them recognizing both Usagi and Ranma's Identities and swag and declared them verified.
There they meet DCI Agents Rasa and Lima.
It begins with a dance to Bass Down Low, in which upon successful completion due Usagi and Ranma's dance moves.
"So you two are the legendary heroes, Mister Ranma Saotome and Miss Usagi Tsukino." greeted Rasa
"You're known as the Half-Moon Crew and with your Mad Skills.
To prove the their skills Rasa and Lima test Usagi and Ranma to Sexy and I Know It.
After passing it, they intercept a transmission from Dr. Tan revealing that "Project Lockstep" has reached its second phase.
Rasa and Lima explain to them that they sent the various crews back in time to learn the dance crazes of various dance eras for use against Dr. Tan.
Furthermore, Dare and Maccoy (who are also DCI agents) are revealed to have gone missing.
"Oh No." said Usagi
"How can we rescue them?" asked Ranma
"By beating Dr. Tan at own game." replied Rasa
They led them to their time machine.
"Ever time traveled before?" asked Lima
"Twice." both Usagi and Ranma before stepping inside
Usagi and Ranma both learn that to return from the past and back to the present, they need to power their magical boombox called Boomy, by constant motion that is dancing.
The heroes understood and disappeared in the time stream.