After Avengers: Infinity War, Thanos killed half of all the living beings. Half of our favorite heroes died and half the Avengers are left to move on. Some people try too, but it is hard for our heroes to move on.
He was said to be dead till they found him in the ice and woke him up, now, he is in a unknown world, but there are still plenty of threats, so Steve joins S.H.I.E.L.D to help protect people. Cap begins going on missions, but something isn’t right, and Nick knows it, so he goes to Cap’s apartment to tell him, where something tragic happens.