In Fallout 4, the player takes on the role of the Sole Survivor, emerging from Vault 111 after being cryogenically frozen for 210 years following a nuclear attack in 2077. The main story revolves around the Sole Survivor's search for their kidnapped son, Shaun, in the post-apocalyptic Boston area known as the Commonwealth. Along the way, the player encounters various factions, faces moral dilemmas, and must decide which path to take in rebuilding the Commonwealth.