Mark Met Up With A Timid But Brave Irish Exchange Student By The Name Of Jack, Mark Starts Falling In Love With Him And Wants To Show It. But His Friends Ken, Cry, Yami, And Felix Can't Know!

Jack Ends Up Being Cursed By A Witch, Which Makes Him Only Two Years Of Age. Mark, Bob, Wade, And Pewds Try Their Best To Take Care Of Jack While He's A Little Baby Boss!

two of the worlds most famous youtubers jacksepticeye and markiplier find themselves wrapped up in some pretty complicated situations, sean has to deal with heartbreak and mark has some pretty worrying things to face too. the pair work together to overcome these things, so through pain, passion and promises, septiplier occurs.