Steven is heartbroken when Luke is killed in the terrorist attack at Amanda's wedding. After returning to Denver, he grows closer to Sammy Jo who has reconciled with Krystle. Steven is also needed to help Blake, who is having serious health problems. In episode 132, a frightened Sammy Jo confesses to Steven that she's been involved with a plot to kidnap Krystle and replace her with a look-alike. She has learned that her co-conspirators have been poisoning Blake. Steven saves his father from faux-Krystle while Sammy Jo frees Krystle from her captors.