After last month's teaser the official trailer for season 4 of  Power is finally here. The fourth season of 50 Cent's hit show on Starz  picks up with an incarcerated Ghost fighting for his life after being wrongfully convicted for the murder of Greg Knox. The imprisonment of Ghost has consequences for all the characters, with Tommy contemplating his friendship with Ghost and Tasha struggling to hold the family together. 

Some new faces will be joining this year's cast. Fast and Furious' Sung Kang will be playing Assistant U.S. Attorney John Mak, and joins the show as Ghost's primary adversary for the season. The drama returns to Starz on June 25th.