Marcus comes up with a theory about Eric's illness, and convinces Bridget to run tests on Eric to prove his suspicions.
Owen is taken aback by Marcus's loyalty to his mother.
Taylor and Rick cozy up to one another.
Tension rises as Bridget reads Eric's test results.
As accusations fly, Ridge convinces Felicia and Thorne they should go along with him.
Lt. Baker and Charlie arrive at the Forrester mansion to begin their investigation.
Stephanie confronts Donna, demanding answers about Eric's heart attack.
A shocking arrest is made.
Casting Updates
Sean Whalen returns as the Lab Technician Carl on August 20 ... Patrick Duffy shows up as Stephen Logan on August 21, 22 and 26 ... Dan Martin returns as Lt. Baker and Mykel Shannon Jenkins returns as Detective Charlie Baker on August 21, 22 and 25.
Eileen Davidson clears up the mystery of Ashley vanishing from the opening credits. "I've been put on a recurring basis," confirms the actress. "They started concentrating more on the LogansBrad Bell just writes that way. He goes where the spirit moves him. It's not anything I've taken personally. He saved me at a time that was very awkward for me, in terms of being fired [from Y&R]. I love him to death." (SOW)
So, Eric was given a drug I guess? Who did it??

Owen? But who will the wonderful police think did it and arrest??