 However, a despondent Robert is found by Luke, who tells Robert that Ethan Lovett is his son, in an effort to pull Robert back from the brink.Luke, along with assistance from Holly, concocts an elaborate story that Ethan had been abducted by Helena Cassadine (Ethan had actually agreed to go along with Luke's lie), prompting him to leave Port Charles with Holly to rescue "his" son.As a result of this, Anna is left to grieve for Robin on her own.