A Complete list of all the Grand Theft Auto 5 Story Missions. They are set in the order you can encounter them in the game.
The Jewel Store Job (Loud Approach)
The Jewel Store Job (Smart Approach)
The Merryweather Heist (Freighter)
The Merryweather Heist (Off-Shore)
The Construction Assassination
The Big Score (Subtle Approach)