沉重的秘密第二季上映于2017年，是一部記錄片類型影視作品，對白語言是英語。講述了　　New homeowners spot a barrel in their crawlspace and are horrified to find a body inside; later, forensic experts recover a cryptic note saying, "I told the truth."　　EP1. Beneath the Stairs　　EP2. The Last Time They Saw Her　　EP3. The Shadow of the Steeple　　EP4. The Women in the Woods　　EP5. First Comes Lov es　　EP6. Proof of Life　　EP7. The Manner of Murder　　EP8. Baptism by Fire　　EP9. The Secret Code　　EP10. Her Mother's Prayers