In the fire, Grayson saved Kate first, unaware that the critically injured patient only he could save was his wife, Zinnia. Deceived by Kate, he believed Zinnia had aborted their child and filed for divorce. Learning of her death from a colleague, he raced home too late. Zinnia's mother later found Zinnia's kidney donor record, and Zen proved Kate set the fire. Broken by the truth, Grayson soon met a tragic accident.