Aly has just lost her mother and is now the soul guardian of her little sister AJ, who just happens to be a computer genius. Not only is she taking care of a hyperactive genius, going to school, working and trying to have some resemblance of a life; but she is also trying to help the FBI and all the other forms of government out there catch her step father David, who has embezzled millions from her family's company. Life wasn't great by she managed.
Kevin loves being a detective. The only thing in the world he loves more is his little sister, who can be a supercharged hellion on a good day. Life for him is hard but he wouldn't have it any other way.
All it takes is two children, a pizza, and a gruesome crime scene to throw them together. Now bullets are flying and Kevin must keep them safe while upholding the law.