Hahaha okay I'll just write a summary for the general public just because I wanna relive the excitement...j/k! Be prepared for special emphasis on events concerning Spike..
Dawn brings Buffy home, and Buffy's totally acting spacey, she can't even button her own shirt. Then Spike shows up and omg, the look on his face when he saw her almost made me cry, like a combination of amazement and happiness. When Buffy saw him she buttoned her shirt in a hurry

and Spike saw her cut-up hands and tell Dawn that she must have clawed her way out of her own coffin, just like he did. He leads Buffy to the sofa and takes her hands and talks so gently to her, so non-Spike, it was heartbreaking. She asks him, "How long have I been gone?" And he says, "147 days yesterday..." Awwwwwww.
Then the Scooby Gang shows up and ruins the moment and Spike quietly leaves. They are much less gentle and are practically yelling, no sensitivity whatsoever. Buffy decides to go to bed and Xander and Anya leave. When they get outside they run into Spike and he yells at them for not telling him, even though he's been fighting alongside them all summer.
Then everyone starts getting possessed, and Willow determines that they "made" a demon when they did the Buffy-revival spell. Buffy decides to patrol and goes to visit Spike, and he tells her that not a night goes by that he doesn't remember the night she died and he blames himself for not being able to save her.
Willow does some research and finds out that while the demon is only temporary, it's goal is to kill Buffy. Buffy fights the thing and kills it, standard fare.
The next day at the shop, Buffy tells everyone that she was trapped in a hell dimension and she is ever so grateful to them for springing her loose. Willow (wearing an extremely ugly fuzzy red shirt) is immensely gratified and there are hugs all around. Buffy leaves the Magic Box and runs into Spike, and she sits with him and tells him the truth, which is that she was happy wherever she was, and she thinks it was heaven. He looks amazed. She tells him that her friends must never find out, and she leaves, roll credits!!
A+ for very good Buffy/Spike action!!!!!!