All the couples are back for a wedding in Las Vegas, but plans for a romantic weekend go awry when their various misadventures get them into some compromising situations that threaten to derail the big event.
Spencer turns to his best friend who's planned an unorthodox "mantervention" filled with debauchery to convert him from hopeless romantic to forever player, and in the process they discover that being in love is not so bad after all.
A dating coach embarks on a new career in podcasting after losing her fiance and radio job.
