A strangely eccentric genius scientist and inventor moves into the home of his daughter and her family and begins to strongly influence his young grandson.
It's Christmas. Rick shrinks Morty, injecting him into a homeless man to save Anatomy Park. Jerry tries to have a Christmas free of electronic devices, but regrets his decision when his parents introduce him to their new friend.
After Rick gives Morty a love potion for a school dance, things quickly spiral out of control when the serum splices with the flu - causing it to spread. Rick and Morty scramble to cure the crisis, making matters worse in the process.
Rick, falsely blamed for Murder by the council of Ricks, begins a cross-dimensional pursuit with the authorities while attempting to prove his innocence.
Beth and Jerry head for an iceberg of a date leaving Rick in charge. Morty doesn't get to go on any more adventures if the house isn't in the same condition when they get back.
