Lincoln and the Louds are ecstatic to welcome their new Gran-Gran, Myrtle, into the family with a tropical wedding celebration; but the festivities are cut short when an old nemesis from Myrtle's secret agent past appears on the island.
Bobby Boucher is a water boy for a struggling college football team. The coach discovers Boucher's hidden rage makes him a tackling machine whose bone-crushing power might vault his team into the playoffs.