Same thing as how you unlocked Orla at the Hospital. It costs $5M. The player must invest five play coins.
[About a couple of days after Orla's release from the hospital for her burn]
Orla: "Kayla, I want to thank you...for saving my life."
Kayla: "You're my twin sister, Orla. We sisters must look out for each other, right?"
Skyla: "It's true. As sisters, it's our job to look out for each other. We're also best friends, too."
Haidyn: "Sisters are friends forever."
[The four sisters hug]
Nicole: "Orla, have you tried the avocadoes?"
Orla: "Yes, mummy..."
Nicole: "How was it?"
Orla: "Delicious! I love avocadoes!"
Nicole: "And you tried the vegetables, too?"
Orla: "Yes, I did, and they were yummy."
Nicole: "Now, would you like to try some fruit?"