In “Razorblade Tears” we now have Ike Randolph, who did time for manslaughter again when he was “Riot” Randolph, taking the autumn for a drug-gang pal. Like Bug Montage, Ike has remade his life, and he’s operating a profitable landscaping enterprise in rural Virginia, the place Cosby grew up and which he is aware of so properly. The sudden drawback is that Ike’s 20-something homosexual son, Isiah, whose sexual orientation Ike hated, has been gunned down and killed on a Richmond road alongside along with his husband, Derek. Ike is a superbly wrought character who’s racked with remorse for not having accepted the boy he beloved. When the police take their very own candy time investigating the murders, an enraged Ike hooks up with Derek’s father, Buddy Lee, who’s additionally guilt-ridden — and likewise an ex-con with a violent historical past — to trace down the killers and execute them.