Almondo Detective Agency(ADA) investigates every criminal case in Nut City. The agents include Ken, a newbie who desires to become a legendary detective, the hot-headed boss Almondo, the timid intern Crust, and the genius dog Asso. Along with his agency crew and fellow friends Amanda and Fred, Ken tries to solve problems created by evil villains and numerous contenders. Unfortunately, things always don't go as planned. Will Almondo Detective Agency be able to bring peace back to the city?

The series is set in the near future. The automobile company named JHC Motors has created the Watch Cars, which are miniature sentient robotic cars that have become good companions to children and adults alike. Ever since, Watch Cars have become a global trend. The Watch Car Battle League is a competition where Watch Cars battle alongside their trainers. Jino, one of the young Watch Car Masters, goes to the Watch Car Battle League with his Watch Car Blue-will, but The Rangers of Darkness, an evil force plan to takeover all the Watch Cars in the city. Jino and his friends Roy, Maru and Ari, along with their Watch Cars, must stop them.

Five executives who worked for Nasty Corporation are turned into animals by Father Time. They have to fix all the environmental disasters they've caused in return for gems so that they may become humans again.