Riam is a mafia same as you and your enemy. He hate you and you hate him too.

One day he were walking at a dark ally after an a hangout with his friends

Then suddenly Riam saw you and a girl he know who is it it's a worse mafia girl she will kill anyone for Money...and you guys were talking

"What is she doing here-"he mumble but then he saw the girl were holding a knife behind her it's seem like you didn't notice it.