Once planned to premiere in April, a much-anticipated HBO series filmed in the Hudson Valley staring Mark Ruffalo has been moved back a couple of weeks. According to HBO, the series’ first episode of, “I Know This Much Is True” will premiere on HBO at 9 p.m., Sunday, May 10.

Based on the book by author Wally Lamb, the series tells the story of identical twins, played by Ruffalo, and follows the trials, betrayals, and ultimately, the forgiveness, in their lives. Watch the trailer below!