Ello is a little sweet story about loneliness and friendship. When people expect, friendship or love, proactively pursuing rather than passively waiting might lead to a surprising end. Ello, who lives in a corner of the universe alone gardening his loving planet and maintaining the only billboard day by day expecting it will draw other's attention. An unexpected disaster ruins all and makes Ello into deep despair, yet, another unexpected spaceship travels through his planet. With or without the audience's help, will Ello cheer up and catch the passing spaceship?