An outbreak of the infection has occurred within a medical center; safety protocols are disabled. 28 Weeks Later comes from director Juan Carlos Fresnadillo, who also contributed to the screenplay alongside Rowan Joffe, Jesus Olmo and E. L. Lavigne. The film features Robert Carlyle, Rose Byrne, Jeremy Renner, Harold Perrineau, Catherine McCormack, Mackintosh Muggleton and Imogen Poots. John Murphy composed the music, with cinematography by Enrique Chediak. Six months after the Rage Virus devastated the UK, people are returning to London's District 1 under supervision from the U.S. Military. However, it’s possible for individuals to carry the virus without showing any signs. Following the substantial success of "28 Days Later," a sequel seemed likely. With Danny Boyle and Alex Garland occupied by “Sunshine” and Cillian Murphy, key figures from the original film were not involved (though they served as Executive Producers). Some worried this would be another horror sequel that fell short. Thankfully, "Weeks" is an excellent addition to the series and doesn't simply imitate Boyle’s approach. The gore and intensity are significantly increased, along with the action sequences—there's a lot of running, gunfire, panic—but the writing demonstrates intelligence by delving deeper into the Rage Virus victims, portraying them as more than just savage creatures. The inclusion of the American military “enforcing” London’s reconstruction also adds some relevant commentary to the story. The film centers on a fractured family, introduced with a truly shocking and disturbing opening ten minutes, which gives the movie considerable emotional depth amidst the violence. The cast is largely excellent, with Carlyle and the younger actors, Poots and Muggleton, standing out. The American performers portraying military personnel are limited to somewhat generic roles, but Byrne brings energy to her part and McCormack makes a lasting impact in a smaller, yet crucial role. Fresnadillo (Intacto) proves that Boyle isn't necessary for strong direction, displaying a talent for action and an understanding of pacing within the horror genre. Murphy again delivers music with his signature sense of dread. There are some flaws; occasionally logic takes a backseat, and Renner’s character meets an unsatisfying end. The dialogue sometimes relies on familiar phrases. Nevertheless, this is a thrilling experience that's often frightening and disturbing, even possessing moments of genuine emotion. A third installment would be very welcome based on this showing. 8/10

Source on TMDB