故事發生在北倫敦,Grace開車載著生日蛋糕前去幫女兒慶祝生日,卻遇上了大塞車…,這一天發生的事情,將徹底改變她今後的人生。
'Sometimes I have so much rage it scares me . . .'
Grace Adams is one bad day away from saving her life . . .
One hot summer day, stuck in traffic on her way to pick up the cake for her daughter's sixteenth birthday party, Grace Adams snaps.
She doesn't scream or break something or cry. She simply abandons in traffic and walks away.
But not from her life - towards it. To the daughter who won't live with her anymore and has banned her from the party. To the husband divorcing her. Towards the terrible thing that has blown their family apart . . .