"Thunk" has been looking after his Grandma for a year while she recovered from a broken ankle. Since her birthday was coming up, he had his uncle Rolf fly up to Canada so that they could surprise her with a cake! Good thinking on Thunk's part.
Next, Mia Mason has been off for training in the Air Force and hasn't gotten the chance to speak to her mom in a couple of months. So she surprised momma by showing up to the school kitchen she works at before Mia is assigned to her duty station.