After his dog is killed in Skid Row, Jake Rosser (Aaron Eckhart) plummets deep into a sinister underworld to uncover the truth about who may be responsible.            ...

警犬小黑负伤退役，守候在为它牺牲的主人杨琰墓旁始终不愿离去巧逢杨琰父亲（杨校长）和外甥女（暖暖）来祭奠，小黑在暖暖身上感受到已故主人的气息，选择依偎在暖暖身小说阅读。在暖暖的坚持下，杨校长领养回了小黑。残疾的小黑到了新家受到娇憨天真的暖暖细致的温暖，慢慢康复起来。与此同时痛失爱子的杨校长开始反思自己虎父型家长作风，暖暖私生女的身份浮出水面，原来杨校长因不能释怀暖暖父亲与自己女儿的婚外情而间接导致杨...