4 When a man leaves his cruiser with his best friend who then flees in it, he must convince the Water Police that there is no crime but they should save his friend in the sinking cruiser.

Better -- you're getting across the ideas that make up the story. But it's still unclear why this is happening and how some of it relates to other aspects.

Part of the issue is the complicated phrasing -- see my thoughts here about not starting a logline with "When" - https://loglines.org/the-case-for-an-updated-formula/

You've given us the four things needed in a logline -- protagonist, antagonist, conflict, stakes -- but they're jumbled and unclear. A good rephrasing can fix all that.

Better -- you're getting across the ideas that make up the story. But it's still unclear why this is happening and how some of it relates to other aspects.

Part of the issue is the complicated phrasing -- see my thoughts here about not starting a logline with "When" - https://loglineit.com/the-case-for-an-updated-formula/

You've given us the four things needed in a logline -- protagonist, antagonist, conflict, stakes -- but they're jumbled and unclear. A good rephrasing can fix all that.

When a fisherman leaves his cruiser with his best friend who then steals his identity and title to the boat, the owner must battle his financier in Court to save his business.