Pipilu and Lu Xixi are twin brothers and sisters. Lu Xixi has excellent grades and Pipiru is naughty and playful. One day Lu Xixi found a strange can at home. In the can, five little people with only a matchstick appeared. Lu Xixi named them Doctor, Captain, Artist, Singer, and Diplomat. Pipiru and Rusisi, the brothers and sisters, after getting acquainted with the five canned people, their study and life have undergone earth-shaking changes, and they have started a series of fantasy adventures.