General Hospital (GH) update for Wednesday, August 12, indicates that that Trina Robinson (Tabyana Ali) and Kai Taylor (Jens Austin Astrup) will make a bold move against Willow Cain (Katelyn MacMullen). Willow will stand by her push for full custody, so Michael will fear their conflict is spiraling out of control. Willow can prove the drug was in her system with blood test results, but she can’t prove Jacinda was at fault. Although Michael will fret over this potential custody setback, Trina and Kai will come through when it counts. It appears Kai and Trina are about to expose Willow as Drew’s real shooter during a conversation with Michael.