Long Road Ahead

 is a quest in Fallout 4.

Quick walkthrough

 * 1) Bring MacCready to the Mass Pike Interchange
 * 2) Kill Winlock
 * 3) Kill Barnes
 * 4) Speak to MacCready
 * 5) Continue traveling with MacCready
 * 6) Bring MacCready to Med-Tek Research
 * 7) Enter Med-Tek Research
 * 8) Locate the executive terminal
 * 9) Override containment lockdown
 * 10) Enter Med-Tek sub-level
 * 11) Retrieve cure for MacCready
 * 12) Speak to MacCready
 * 13) Bring cure to Daisy in Goodneighbor