May You Return With a Youthful Heart After Years of Fighting

one day Mark is bully by Wolf , Ethan see that ,so help him fight with Wolf.  Then they become friend.when Mark and Ethan hang out together, the Wolf with 4 people came out, want to beat them up, so they escape.But while they escaping, Ethan thought his father abuses him, so he back to beat Wolf, and kill Wolf by accident. when Mark came back, Ethan let him go, but he goes to jail.

Many years later, Ethan is released from prison.he is addicts,Mark is a painter now. They meet again on the street, they talk about the old time. They met some gangsters, Ethan fights with them, Mark escape again. But Ethan is died this time.