First stops in Donghae and Pyeongchang, Gangwon Province, cities known for their beautiful scenery.

The aespa members are excited to be on their first reality show, and they receive a mysterious invitation to find the ae-key and complete the Synk Road; the members head to the first place they found ae-key.

The second ae-key mission is revealed through the shaky zip line.

Kills, strategy and combat power are all required for the treasure hunt on the beach.

The game-loving members get highly competitive as they see the steamed snow crab; the first room spot gets revealed; a room assignment mission awaits them as soon as they arrive.

On a chilly night, a wail full of resentment echoes around the East Sea.