With hard work and dedication on lock, a group of homeless men trains to compete in the Homeless World Cup, despite a cranky coach.

Park Seo Joon plays Yoon Hong Dae, a professional soccer player on disciplinary probation after being caught up in an unexpected incident. He becomes the coach of a thrown-together soccer team, but as time passes, comes to sincerely care for and trust in the team members, becoming a true leader.