Strong Hawk: My Sister's Keeper is about a family of sisters who lost their parents over a decade ago and now discover they have powers. They attempt to help their community by acting as vigilantes but their heroic efforts make the ladies vulnerable to their natural enemies. This begins a journey for them to unravel family secrets and test themselves to see if they are really heroes.

Mo jr.has lived a sheltered life until he is sent to work in Oakland for the summer. He quickly learns about streetlife, love and his family's sordid past. He also finds himself in the middle of a war for control of Oakland's criminal underworld.