Adam's older brother was killed in a car crash a year ago. His family has not been the same since. As his parents struggle to cope with their grief, Adam (10),  plagued with guilt over his brother's death feels he is all alone in the world. But everything changes the day he meets Abulele. The Abulele are ancient monsters, bear-sized. Local legends tell that they are extremely dangerous, but in fact, they turn out to be quite friendly and playful creatures. Abulele quickly becomes Adam's best and most secret friend. Together,  they outsmart Adam's mean schoolteacher and beat the class bullies. But Adam's parents start to suspect he is harboring a secret, And when a government, Special Forces unit called "Thunder" appears in the neighborhood on a mission to capture Abulele things go from bad to worse. In order to save his best friend, Adam will have to get Abulele back home to its family, and to do so, he will need to put the past behind him and realize that when you truly love someone, ...！