Natalie Halcro and Olivia Pierson, cousins and best friends, are Vancouver girls making it big in Hollywood. As Natalie’s parents’ anniversary nears, Nat & Liv go home to create a surprise.

When Nat and Liv plan an exciting family vacation to Whistler, Natalie’s ex-flame, sibling tension and unresolved heartbreak turn this serene countryside into a wilderness of past memories.

Liv plans to parent trap her previously married but now single mom and dad. When Liv’s sister Sophia feels left out of an upcoming trip to London, Liv has to mend another rift in the family.

Nat, Liv and Sophia travel to London, leaving Joel under the family’s scrutiny. When Nat is sick before a photoshoot, Liv worries their reputation in the fashion industry will suffer.

When Owen decides to try drag for the first time, he worries what his pastor father will think. Stephanie finds out that she has a long-lost sister, but has cold feet about meeting her.

After finding her first gray hair, Liv starts to freak out about getting older. Owen attempts to get Joel to be more sensitive in his interactions with the rest of the family.

A quick trip to Los Angeles turns ugly when problems with Nat and Liv’s clothing line creates tension with who is doing the most work.

Nat and Liv struggle to make up before the premiere of their fashion line. Stephanie and the rest of the family meet their long-lost family member.