The Coast Patrol (1925)

John Slocum, a retired naval officer, runs a lighthouse, but the job he likes best is taking care of his young ward Little Beth. However, a sly smuggler named Eric Manmont and his beautiful accomplice Valerie are about to use John and Beth in a clever smuggling scheme. What they don't know is that the Coast Patrol has assigned agent Dale Ripley to find and capture the smugglers.