Choi Tae-bu (Lee Jong-suk) is a taxi driver. Every day, he rushes around every corner of the city, working hard to make money for his niece Choi In-ha (Park Shin-hye) to study. Although Choi In-ha is Choi Tae-bu's "niece", the two are not related by blood, and even their ages are almost the same. It turns out that Choi Tae-bu was rescued and adopted by Choi In-ha's grandfather, and for this, Choi Tae-bu is sincerely grateful from the bottom of his heart. Seo Beom-cho (Kim Young-kwang) is a wealthy young man who lives a life of luxury and has long been out of touch with society. Yoon Yoo-rae (Lee Yoo-bi) was once a crazy fan of stars, and now he has become a reporter. The four people whose fates are on their own tracks met at a TV station by chance. In just 24 hours, they have to rely on their own wisdom to find out the truth of the incident.