After defrauding his friends and family and subsequently faking his own suicide, Harvey returns years later to find a last-minute match for a kidney transplant he desperately needs to stay alive.

LOL! That would be great title if the organ in need wasn’t a kidney.

As far the logline itself, it’s got all the ingredients: a protagonist with a character flaw and urgent goal. The antagonists are implied: all the people he exploited and deceived. The stakes are life and death.

My only tweak would be to tighten up the logline and eliminate the the character’s name (it’s not required). Thus:

Years after defrauding his friends and family and faking his suicide, a man returns to find a match for a kidney transplant he desperately needs to stay alive.

A minor quibble. This is a story I want to see on the silver screen. Best wishes making it happen, ath579!