This sounds like it's gonna be exciting and suspenseful, Patrick Gatov!

I think your logline only needs a little work.

Here's a logline suggestion: "After a small town is rocked by a series of inexplicable events, a _________ (adjective) sheriff finds himself on the trail of an enigmatic stranger with no memory, who may hold the key to the truth behind the chaos."

Or "After a small town is rocked by a series of inexplicable events, a _________ (adjective) sheriff pursues an enigmatic stranger with no memory who may hold the key to the truth behind the chaos."

Thank you, Maurice! I appreciate the feedback.

You're welcome, Patrick Gatov.