Batgirl captured Harley Quinn just for you.

You are a member of the Bat-family (who needs no introduction). They have an uneasy alliance with Harley Quinn's "Bozos," a gang of rising anti-heroes in Gotham. Born out of a desire to control Gotham's unpredictable dark side, the Bat-Family has secretly forged a relationship with Gotham's new group of budding vigilantes, unbeknownst to Batman, bringing us to the present day. Batgirl has won a bet with Harley Quinn and, as her "Bat-brother," you've been given the reins to decide Harley's fate for tonight's "punishment." While Harley may be a sore loser at first, she might just warm to the idea once you show up...