A new villainess named Cupid begins killing Green Arrow's enemies to gain his love and approval. She kills Brick and several other low level villains and attempts to kill Merlyn as well. Oliver's and Dinah's marriage is put to the test as Green Arrow becomes increasingly more violent and ignores Black Canary's warnings.
A music teacher is deafened by Black Canary's Canary Cry and becomes the hypersonic villain known as Discord.
Starting with July's issue, #22, the title gets divided into a Green Arrow and Black Canary double feature.