Roger Murtaugh is an aging family man and sensible veteran police officer just trying to make it through the day unscathed. Martin Riggs is a suicidal loose cannon cop who doesn’t care if he even lives to see the end of the day. Reluctantly thrown together to solve the mysterious murder of a banker’s daughter, the unlikely duo uncovers a dangerous ring of drug smugglers employing ex-military mercenaries. After a tragic turn of events, the mission becomes personal and the mismatched investigators must learn to trust one another as they wage a two-man war against a deadly criminal organization.