Chiron (Ashton Sanders Ashton Sanders) mother Paula (Naomi Harris Naomie Harris) is addicted to drugs and has no intention to take care of her children. Chiron grew up alone and was often bullied and teased by people around her because she was too skinny. By accident, Chillon met the drug dealer Juan (Mahsala Ali Maher shala Ali), and since then, the residence of Juan and his girlfriend Teresa (Ganel Monet Janelle Monae) has become Chillon's second home. Kevin (Jarel Jerome Jharrel Jerome) is Chiron's only friend, and with the passage of time, the relationship between the two gradually transcends friendship. However, in order to hide his sexual orientation, Kevin had to fight with Chillon at the instigation of his companions, and the two never saw each other again. In the twinkling of an eye, Chillon suddenly received a phone call from Kevin, and the two finally decided to face up to their true feelings.