Jessica Biel is producing and starring in her own episodic series called, ?The Sinner.? Biel?s fans are enjoying the show for it?s sense of intrigue and mystery. Biel?s character is named Cora whose toddler is acting strange, and she herself is acting spontaneously violent. She meets with a local detective who tries to figure out what is going on. The series is based off of the ?The Sinner,? written by Petra Hammesfahr.