When the skeleton of a young man is dug up in an alley, a mysterious Chinese merchant and his eccentric upstairs tenants come under suspicion. The team of Inspector Carr and Dr. Crabtree use the skull of the victim to solve the murder.
| Writing | S.S. Van Dine | Novel |
| Writing | Burnet Hershey | Adaptation |
| Directing | Joseph Henabery | Director |
| Camera | Edwin B. DuPar | Director of Photography |