The web drama revolves around delivery girl Kwak Doo Shik who is well-versed in martial arts. She teams up with Do Ki Hwan, the delivery agency manager, in order to find her mother. In the process, they run into conspiring aliens who have invaded Earth.

• Cho Mi-yeon
• Z.flat
• Lee Tae-vin
• Kim Eung-soo
• Kim Jae-won
• Lee Seung-chul
• HeeBab
• Hong Ji-min