Selamsiz (wich means 'no greeting') is a small town in Anatolia. The town has a lot of problems but noone from governments come and see the town. One day the mayor learns that the prime minister will come to the city. They, now, have a chance to solve their problems. However, they think that they should have a band to greet the prime minister.
Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn.
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.