ells the story of Rainbow Randolph, the corrupt, costumed star of a popular children's TV show, who is fired over a bribery scandal and replaced by squeaky-clean Smoochy, a puffy fuscia rhinoceros. As Smoochy catapults to fame - scoring hit ratings and the affections of a network executive - Randolph makes the unsuspecting rhino the target of his numerous outrageous attempts to exact revenge and reclaim his status as America's sweetheart.

Overview from themoviedb.org