Dark makes a deal with Lucius to save the other egos.

For Jack's birthday, Mark throws a special kind of surprise party. A party where the birthday boy gets much more then he ever imagined!

Sean's relationship with Mark has been a bit strained ever since the 'Septiplier Ship' got out of hand. When Mark suddenly surprises him with an unexpected confession. From that moment, Sean knew his life would never be the same. For things are not all that they appear. Something is off about Mark and things are quickly escalating into something much darker. Sean is about to learn that 'Dating Darkiplier' comes with its pleasures and its pains.