MTV has unveiled a promotional trailer for the crime drama The Son of No One [SONON] which premieres this week at the 2011 Sundance Film Festival. Collaborating with writer-director Dito Montiel for the third time, Channing Tatum [CTATU] plays a young cop assigned to a precinct in the neighborhood where he grew up. However, a dark secret from the past soon threatens to destroy his career and his family. The film boasts a star-studded cast that should attract prospective buyers.