Answer
In "Bullet to the Head", Sylvester Stallone plays a hitman who teams up with Sung Kang, a New Orleans detective, to avenge the murder of their close friend. The two must put aside their differences and work together to take down a ruthless crime lord and his henchmen. Despite their contrasting personalities, Stallone and Kang's on-screen chemistry makes the film an engaging and action-packed experience.