 When Grey accidentally collides with Bill for real, she insists on putting the two up for the night, even over the objections of her snotty fiancé Walker McCormick.After a confrontation with Bill exposing the truth of the con, Grey lets them stay for as long as they need when she understands the precarious position the homeless pair are in.One night, Bill tells Grey that he is not Sue's father, and he met Sue's mother one night in Florida.