If you're confused what's going on, scroll down past the line for a brief detailed explanation about what exactly happens in the video.
Random stuff: 2340 frames & 156 seconds long and made at a 15fps.
Song : Rogue Wave - Everyday
The animation is basically two different storylines running into eachother near the end. The blue guy, let's call him Joe, has a regular day and goes to work and runs into the girl he's liked for ages. At the same time, the moment he wakes up, a train from heaven departs already knowing who to pick up; Joe.