Welcome to Megalopolis! Once a peaceful Earth city, it's now a haven for criminals aided by the nefarious Alienizer arms dealer, Agent Abrella. Now, it's up to Ban Akaza and the Special Police ...

Celebrating the 20th anniversary of the Tokusou Sentai Dekaranger series, the six detectives who fight with cool and burning hearts gather again to face the "Great Plan" that threatens peace on Earth!