When Anna Wyncomb is introduced to an an underground, all-female fight club in order to turn the mess of her life around, she discovers she is much more personally connected to the history of the club than she could ever imagine.。柏崎结衣(泽尻英龙华)原本过着相夫教子的幸福生活,直到某天,3岁的儿子在回家时被绑架,从此音讯全无。崩溃的结衣选择了离婚,在友人的劝说下好不容易才回到了正常生活轨迹。
9年后,母子偶然重逢,而收养儿子的是一名强烈渴望成为人母的女性门仓麻子(小池栄子),她们之间又会产生什么样的新的纠葛?。