A migrant worker has to return back home unexpectedly after 5 years to look after his child when he finds out his wife has eloped with a stranger and all his savings. On the quest while finding his wife, he finds out that the child actually is not his own son.

What was the article? A headline could be a good starting point for your logline. Thing of your logline as a subtitle for your movie.

What was the article? A headline could be a good starting point for your logline. Thing of your logline as a subtitle for your movie.

As it is now the logline reads more like a series of events in a typical soap - lots of melodrama very little stakes. Once he learns she cheated on him and took off with the money, why does he care about her? Let her go and move on I say, more so once he (somehow) discovers the kid isn't his. The dramatic impact is greater than the stake and therefore it comes across as melodrama not drama.

To solve this best you focus the logline, and subsequently the concept, on one goal - either he wants the wife back or the money or the kid. All the rest can be obstacles delegated to expansion in the synopsis.