Sang-hyeon (Cha In-Pyo) is a third-rate comedian who works in a shady nightclub. One day, a man comes into the club with his son and a briefcase. The man looks for the owner but he's not around. Later that evening Sang-hyeon witnesses a car accident involving the man that came into the nightclub. The man is dying and he asks Sang-hyeon to take his son and briefcase to his wife. Sang-hyeon goes to the deceased man's family with the son and briefcase. The family asks Sang-hyeon to take the son Jae-yeong to his mother in Donghae, South Korea. Sang-hyeon is a gambling addict and because of this is in heavy debt. The family offers to pay Sang-hyeon a large amount of money if he would take the son. Sang-hyeon already dreams of stopping at a casino in nearby Jeongseon after delivering the boy.
B-Dawg, Mudbud, Budderball, and all the rest of the Buddies are back, but this time, they're setting their sights even higher -- as in, the moon! With the help of their new pals Spudnick (voiced by Jason Earles) and Gravity, these pooches are go for launch.
For their honeymoon, newlyweds Cliff and Cydney head to the tropical islands of Hawaii. While journeying through the paradisaical countryside the couple encounters Kale and Cleo, two disgruntled hitchhikers and Nick and Gina, two wild but well-meaning spirits who help guide them through the lush jungles.