Dirty Pair Flash #3: Random Angels

Kei is on a plane trip but some enemy fighter plane is after them and it shoots the plane down into the snow covered mountains.

A teenage girl named Monica has been training all her life to carry on her family's deadly assassin heritage. Her first assignment is to go after the Dirty Pair. Kei and Yuri go to a vacation resort to relax but soon find themselves on the guard as bombs, traps, and deadly attacks appear wherever they go.

The 3WA have been tracking a criminal boss but he hardly ever appears except to the winners of a worldwide beach volleyball tournament.

Kei discovers that Yuri is hanging out with a young teenager, and goes over to them to give Yuri a slap on the back, but Yuri's head falls off!

A felon sprung out of prison transport makes a deal with a crime boss to command and pilot an advanced assault mech, but first he wants to borrow the mech to go after Chief Poporo of the 3WA.