Why had Sadie concealed the argument from him? Was she merely afraid he'd discover the cause of Adele's seizure?

After a moment of deep thought, Holden looked up and asked, "Did they find the surveillance footage from the cruise ship?"

"The deck's surveillance footage was deliberately sabotaged," Shawn explained.

“Our contacts backstage are on the case, striving to resurrect the videos. However, it will take time to ascertain the possibility of recovery."

Holden's response was quiet, his expression dark. Suspicion already had cast its net across his thoughts.