Always on Duty — Donna B. McNicol / D.B. McNicol

A relaxing vacation at sea...what could go wrong?Officer Cassidy Peck needs a vacation and when her parents can't go, she takes over their cruise tickets and invites her new friend, Caryl-Anne Newsome to go with her.All is good until a passenger is reported missing and Cass has an idea who might be to blame.After all, she's always on duty.