Please, Let Me Go (Phan)

Dan is ecstatic to go on a date with his long-distance boyfriend who's in London for the first time. He plans to show him all the best sights, take him to the best restaurants, and give him the best time of his life.
Phil is ecstatic to go on a date with his long-distance boyfriend, who he's seeing for the first time in London. He plans to see the best sights, go to the best restaurants, and have the best time of his life.
Phil, however, has a few more things in mind for Dan, and plans on getting them. No matter what he has to do.

{ possible trigger warnings: bdsm, light sexual abuse, kidnapping, mentions of suicide+self harm }