When Ben broke out of the asylum and confronted Abigail at to the DiMera mansion, she led him upstairs to the bedroom.
Then, she clobbered him, tied him to the bed, poured lighter fluid on it, and struck a match.
Chad arrived in time to save Ben from the burning bead; then, he had Abigail committed to Shady Hills mental hospital. Overwhelmed by hallucinations of Ben, Abigail ran off and staged her own death, believing Chad and Thomas were better off without her.
Days of our Lives (DOOL) airs weekdays on NBC. Check your local listings for airtimes.