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Richard gets killed in the finale. He gets shot in his dang stomach and then he's like "oh i'll just go on a vacation on the beach!" (bad move richard you shoulda gone to the hospital). The last scene in season four shows Richard on the beach and you think he's just having a nice time tanning his facehole on the beach but then he's super still and never blinks and its like "oh duh he died and shoulda just gone to the hospital." ain't no doctors on the beach!
Richard Harrow is a fictional character on the television series Boardwalk Empire played by the actor Jack Huston.
Background
Harrow was a sharpshooter in the US army during World War I. Whilst there he received an injury which resulted in the loss of his eye, upper jaw and most of the cheek bone on the left side of his face. Due to these injuries he endured heavy scarring. Whilst in public Harrow wears a mask that was molded to match his face.
After the war he returned returned to Wisconsin where his twin sister, Emma, cared for him whilst his wounds healed. Once he was able to care for himself he left to live in Chicago where, in an army hospital, he meets Jimmy Darmody. After this meeting he was invited to stay with him and his family as well as offering harrow as job as part of his bootlegging team.