S1, E2: When a mysterious package shows up on the Park family's doorstep containing a bug-sized camera and a note with the address of an enemy agent's house, Min and Yu Na realise this is a spy mission from their parents' top-secret spy organisation, Tenacity. In their parents' absence, they decide to embark on the spy mission themselves - paying a visit to the house while Dutch, Raph and Allegra keep an eye on them via the CCTV footage in their parents' secret spy room.At the enemy agent's house, Yu Na and Min are in the midst of planting the camera when the enemy spy unexpectedly arrives home. With some quick-thinking, they make a nifty escape and get back home safely, where a suspicious Talgat (Yu Na's wrestling nemesis, EDUARD GEYL) is waiting for them with some questions about their new dog.