Harley Quinn and Her Gang of Harleys (2016-) #3

Held captive by the mysterious Harley Sinn, Harley Quinn tries to learn the identity of her captor and what Sinn intends to do with her! But the most significant question of all is why Sinn has been conducting surveillance on the family members of the rest of the Gang of Harleys, and what does she intend to do with them?