Basically there are these two american sisters and their mom is with this really rough guy who sells drugs and things one day the police go to the flat and so the two sisters have to go to live with their gran whilst their mum is doing time and then one of the sisters gets pregnant and runs off with her rough boyfriend and then the other sister is stuck, anyway long story short the mum gets out of prison and goes to the grans house where the daughter is and the gran tells her not to bother coming back