'Days of our Lives' April 21 Sneak Peek: JJ is Concerned about Jennifer's Addiction.

Tomorrow on the April 21 episode of Days of our Lives, JJ is greatly concerned about Jennifer's (Melissa Reeves) addiction.

Meanwhile, Abigail (Kate Mansi) commits to doing whatever it takes to get well.

Elsewhere, the mystery caller tells Hope (Kristian Alfonso) to confront Deimos (Vincent Irizarry), and Nicole shows up at Deimos' doorstep.