Serenity Ending: What The Heck Did We Just Watch?

The Ending

After being hired to kill his ex-wife Karen’s husband, and finally deciding to take the job, Baker Dill (Matthew McConaughey) takes her husband, Frank (Jason Clarke), on a fishing expedition to catch some high grade tuna. Fate seems against him in this respect, as everyone on the island apparently knows he’s been secretly hired to do this, and they keep trying to warn him against it. Rather, his friends, and even complete strangers, would have him catch the gigantic tuna he’s been obsessed with landing, which he named Justice.

Article source: https://www.cinemablend.com/news/2465767/serenity-ending-what-happened-and-what-it-means