It's Black Friday at Love Town Center Mall, and Sam sees his secret crush, Tess, is back in town; Sam's friends, Ronnie, Summer, Deonte, and Marissa disagree on what he should do next; a Mystery Giver fills up the mall's toy bins with gifts.

Tess is surprised to feel jealous when she and Trevor go on a double date with Sam and an old friend; Deonte is struck by love at first sight; Marissa and Ronnie find common ground; Brian hides his troubles; the Mystery Giver strikes again.

Tess feels conflicted about Sam and Trevor and seeks Henry's advice; Summer avoids the past, while Deonte obsesses over his new crush; Ronnie and Marissa's friendship grows; the Mystery Giver brings even more cheer; Trevor drops big news on Sam.

Trevor asks for Sam's help picking an engagement ring; Sam botches being honest with Tess; Ronnie admits he has feelings for Marissa; Deonte fears his love is lost; Harry helps Summer reconcile with her sister; the Mystery Giver is identified.

Tess learns Sam is moving to New York and has second thoughts about Trevor; Ronnie stages an epic battle to show Marissa his true feelings; the friends celebrate Christmas Eve eve together; City Denim is saved; the true Mystery Giver is revealed.