The bad sanses were kidnapped, except for a now very weak Nightmare. Blue and Leo were also kidnapped by...some yellow chicken? I guess alternate multiverses are a thing now. Dream, Ink, Emerald, and (a very annoyed) Nightmare have to travel to Dreamswap to save their friends (idiotic crew) from a powerful group.
m̸̡̨͚̳̣͓̜̂ẹ̷̲̺̽̈́͛́̅̚͝ͅḣ̴͉̻̜̭͓̼̘͕͆͛̕t̸̨͇̺̰̞̩̲̞̎̏̃ ̵͓̯͓͔̼̘͚̿̃̂R̵̛̳̱̔̀͑͜Ě̷̢̨̪̫̫̹̣̹͇̀̿̇̕Ţ̷͕̱̲͚͍̩͔̮͌͗͛̐̏͒̂Ť̸̛͚̗̞̳͕̻͉̃̐̏̂͜͝Å̴̻͈̟͔̦̦̭̳̫̭̏͆̽̇̄Ḩ̵̫͙̭̖̈̋̈́̂͋͗͝S̸͓͉̲̝͉̍̄̒̇̿̚͠ ̴̘͚̦͕̣̺̙̈́̌̃͊̚ͅo̷̡̞̲̥̥͍̟̦̪͖̊̓̓̎t̷̹̜̮̰̾̆͜͜ͅͅ ̶͍͗̓͌͝e̶̫̰͖̯͒͗̐͛̏ͅm̴̨̹̦̌̓̓̂͂̑̊̍͂͝ǫ̵̡̛͚͖͈̳̎̏̿̆̋̽͐͑͌c̴̢̧͔̣̟̈̑͂̆̔̋̀͌͌̕͜ ̴̙͂̂̓l̸̘̟͈̹͇̣͚̲̖̇ͅļ̵͔͚̈́͛͋͝i̷̧̤̮̭̺̪̫̩̭̘̔w̵̦̘̤͊̽̒̈ ̷̩̃̄̃̿̊̑̃̄͒ͅs̸̡̹͙͓͛̽͛͌̓̈̀ṫ̵͇͆ṣ̴̏̅̚e̴̘̣͋͒̃͝ṵ̷̢͙̤͈̝͔̱̦̘͊̾ģ̷̎̓ ̴̨̘̬̳̭̘̰̓͊͂̊̀̃͂͠d̷̼̺̯̈̐̐̒̑̿̿̚ͅe̷̢̻̰̠̙͙̝̙̱̼̾̑̀̔͆͘t̵̛̺̻̋̎̽̈͌̋́͝c̶̡̗̖̠̤̹̤̹̦̍̾͂͝ͅë̴̱̠̜̟̲́̆͆̀́̒̌͂́p̶̛̩̐̊̄͒͋͑̈́͗̿x̸̢̰̦̘͆̽͑̀̑̈́͊̎͆̔e̶̙͑͐͊̎͒̅͋͐̚n̴͙̘̥̦͑́͛͝u̸̠͖͚͂͒͑̈́͑͑̅͝ͅ ̸̖̬̭͓̬̭̝̦̋̑̾̈́̏͝f̶͍̯͕̥͇̭͖͎͆̉̋̉̍̑͛͜͝ỏ̷͇͖͈̫͝ ̶̨̛̘̩̼̙̗̖̩̃͛ȓ̶̨̨̧͚̬̣̠̫̜̦́͊̏͛̈͌̚i̶̛̟̯̜͓̤̠͔̣̦͂̿́́̊̕͝ȧ̸̡̡̧̘͚̲̾́̉p̴͕̥̰͛ ̷̨̲̬̣̯̘͈̤͓̱̉̋̆͋͑̆͝r̶̼͈̖͖̖̽͗͝͠ẻ̴͖͙͆̔͋͌̕h̴͖͆̒̈́͗͌̆̿t̴̛̪̫̺̔̅͐̂̚͝ǫ̸͓͖͗ņ̸̜̖̯͖̠̞̇̄̈́ã̸̘̦̠̭͎͙͉̋̇͠ ̴̺̳͍͖͓̙́͒͐͗̊͠ḑ̴̟͍̹͙̱͇͍̳̞̕n̴̫̖̯͎̖̘̗̬̎̓͜A̵̰͕͓͒͌̈́̃̎̃̕͠
Following the events of 'A useful Ally'