When a weathered old envelope appears in the mailbox of Meg's new apartment marked Return to Sender, she joins the building manager Ollie along with podcaster Ellen and partner Pete to find out who sent this mysterious love letter.

Just three days out from their wedding day, Jess and Max are ready to call it quits from the out-of-control planning. They visit Billie, the owner of a wedding donation company, specializing in donating leftover wedding elements to those in need. However when Max’s brother Charlie will stop at nothing to keep them together, he enlists the help of Billie to ensure this meant-to-be couple gets hitched once and for all.

Dave and Nell recount the Christmas where they unknowingly fell in love while working as rivals on a town festival, as their daughter’s boyfriend struggles to navigate his own relationship.

When fourteen-year-old Jarvis Raines gets a chemistry set from his Aunt Marlene for Christmas, he assumes it's just another boring gift. Boy is he wrong! The contents create a chemical reaction that destroys his houseso much for a Merry Christmas! After getting not even an apology from the manufacturer, Knickknack Toys, Jarvis takes them to court, wins, and ends up owning the company!

A twelve-year-old girl befriends a quirky teenage mermaid who's anything but mythical, and their friendship could heal an age-old feud.