Joshua Arai, one of Japan's most sought-after club DJs, is shocked when he receives a letter from his estranged birthmother, Donna Porter, who he hasn't seen since his birth 25 years prior. An invite from her leads Joshua to Rancho Cucamonga in southern California to meet his "new" family. His half-brother, Cameron, however, is not so supportive of the new addition. What happens when their worlds collide?