Actor Jang Hyun-sung and son Jang Jun-woo leave for Spain with a backpack. On August 13, KBS 2TV Family Travel Variety, on foot into a frenzy, Jang Hyun-sung and his 20-year-old first son, Jang Jun-woo, are attracting attention as a new travel designer for vulgarization. Jang Hyun-sung and Jang Jun-woo are the rich couple who made the present of ⁇ ⁇ ⁇ ⁇ ⁇ as the early members of KBS's representative entertainment program ⁇ ⁇ Superman came back ⁇ ⁇ . Ten years later, Jang Jun-woo, who became an adult from a child, will give a pleasure to viewers. In particular, Jun-woo, who is 20 years old, reveals the growth of Song Joong-ki and shows the example of correct growth. This trip is highly anticipated in that 20-year-old Jang Hyun-sung, who left with only a backpack, is a backpacking trip with his 20-year-old son Jun-woo. Above all, Jun-woo is looking forward to Jang Hyun-sung and Jang Jun-woo's trip to Spain to see if he can build memories like Father in Barcelona, Spain, a country of passion that has gone back to Father's youth and memories.